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Attachment for Planters.

Description: Patent for attachment for planters that currently employed for planting cotton and corn fields, the object of the invention is to provide a device of this character which embodies novel features of construction whereby the runner is mounted and held firmly in position by action of spring, including illustrations.
Date: October 9, 1917
Creator: Raulz, Willie H.
Item Type: Refine your search to only Patent

Attachment for Sulky-Plows.

Description: Patent for a sulky-plow that "is designed to secure an even and steady movement of the plow when turning furrows across listed ground, whereby the work is facilitated, the draft lightened, and the task of the laborer reduced" (lines 9-13).
Date: October 13, 1896
Creator: Mann, John Quincy
Item Type: Refine your search to only Patent

Audiphone

Description: Patent for a audiophone which reproduces sounds at their original volume and timbre through the use of diaphragms vibrated by an electric signal.
Date: October 15, 1907
Creator: Baker, John A.
Item Type: Refine your search to only Patent

Automatic Automobile-Top.

Description: Patent for an improvement on automatic automobile-tops. The primary objective is that when in inoperative positions, the actuated drum neatly appears as a weather proof roll. Another objective is to provide side curtains so that the vehicle may be closed on all sides.
Date: October 1, 1918
Creator: Montroy, Phiip A.
Item Type: Refine your search to only Patent

Automatic Blast-Generator.

Description: Patent for "a new and improved automatic blast-generator designed for the use of jewelers, dentists, and other persons, and arranged to produce a steady and uniform blast and to permit of increasing or decreasing the force of the blast as required, according to the nature of the work on hand." (Lines 9-16) Includes instructions and illustrations.
Date: October 12, 1897
Creator: Sidwell, Aaron M., Jr.
Item Type: Refine your search to only Patent

Automatic Fan.

Description: Patent for a new and improved automatic fan. This design consists in "[t]he combination, with the attaching-plate, the depending rod, the fixed plate on the lower end thereof, the socket arms pivotally connected to said plate at their inner ends, and the fans held in the sockets in said arms, of the plate loosely mounted on the rod above [the] plate, having arms, the rods pivotally connecting the outer ends of said arms, the pitman connected to [another] plate, and the operating crank" (lines 6… more
Date: October 9, 1888
Creator: Goodspeed, Henry
Item Type: Refine your search to only Patent

Automatic Railroad or Farm Gate.

Description: Patent for an improved automatic railroad or farm gate that uses the "weight of the car or wagon upon an operating-board and automatically close[s] after the train has passed, and which can also be opened by hand when it is desired to let a single person pass through, either upon foot or horseback" (lines 20-25).
Date: October 4, 1892
Creator: Benson, Joseph Robinson
Item Type: Refine your search to only Patent

Automatic Railway Signal.

Description: Patent for a new and improved railroad signal. This design, "[w]hen the wheels of a passing train come in contact with the spring and bent end of the lever . . . said end is lowered or depressed, causing the movement in the same direction of the outer end of said lever, which, through the agency of the wire, will cause the ringing or sounding of the gong or bell as the wheels . . . come in contact with the end of the lever. . . .[A]fter the wheels of the last car of a train have passed the poin… more
Date: October 16, 1888
Creator: Ross, Albert James & Darter, John T.
Item Type: Refine your search to only Patent

Automatic Recording Apparatus for Vehicles.

Description: Patent for an improved automatic passenger register and mileage recorder for vehicles that travel on rails. It consists of a roller that is actives by a time motor, a strip that the roller moves, a pressure roller, a pair of rollers that a record sheet is wound between, a mechanism that controls movements of the pair of rollers, electromagnets that are connected to the seats, armature levers that mark the electromagnets current, a bell crank lever that marks the moving record sheet, and a sprin… more
Date: October 10, 1893
Creator: Baade, John
Item Type: Refine your search to only Patent
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