UNT Libraries Government Documents Department - 9 Matching Results

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Drill.

Description: Patent for improvements in drills by providing “a frame which may be readily attached to any suitable support and wherein the drill-spindle may be engaged for operation by a common form of chest-brace.” (Lines 9-13) The frame would enable the stock-rest to adjust in proper positions to receive different thicknesses of stock.” (Lines 15-17) Illustration is included.
Date: April 2, 1901
Creator: Willmann, Joseph
Item Type: Refine your search to only Patent

Pump-Operated Device

Description: Patent for "combination with a pump-operating crank-shaft and a walking-beam operatively connected with the pump-rod, means for preventing sudden movements of the pump-rod at the ends of its strokes and for assisting in starting the rod in its reciprocations" (lines 10-15).
Date: May 28, 1901
Creator: Crawford, Charles Buchanan
Item Type: Refine your search to only Patent

Serving-Tray.

Description: Patent for a serving tray with individual spots for various dishes, which turns on rollers intended for use at hotels, restaurants, and boarding houses.
Date: June 16, 1908
Creator: Heise, Otto
Item Type: Refine your search to only Patent

Wrench.

Description: Patent for new design for a wrench that is a "simple, efficient, and inexpensive one adapted for operating on nuts, pipes, rods and other objects." (Lines 11-13) Illustration included.
Date: May 8, 1900
Creator: Willmann, Joseph
Item Type: Refine your search to only Patent
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