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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.
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Car - Coupling

Description: Patent for a new and useful improvements in car-couplings. This design "relates to car-couplers of the pivoted-hook type" (line 11 -12).
Date: February 8, 1898
Creator: Chance, Ransom M.
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Commode-Seat.

Description: Patent for a commode/toilet seat and storage cabinet that holds multiple seats that can be used to provide individual seats for each person using the commode/toilet.
Date: September 26, 1911
Creator: Ainsworth, Lucian M.
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Combined Billing and Journal Sheet.

Description: Patent for improvements in combined billing and journal sheets there by each sheet in the journal will serve as a billing sheet, a duplicate billing sheet, and a journal page at the same time. (Lines 18-20) Further, the bound book will serve as a permanent journal after the bills have been removed. (Lines 25-26) Illustration is included.
Date: January 4, 1910
Creator: Hartley, James William
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Car-Seal.

Description: Patent for a car seal, made of a long, thin, and narrow metallic strip. When it is looped through two parts of the car body, the ends can be pinned together with sealing irons. This car seal cannot be tampered with without visible evidence showing.
Date: December 5, 1911
Creator: Lawler, Claude B.; Bryan, William A. & Keller, John.
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Boat.

Description: Patent for certain new and useful improvements in boats to "increase the speed and insure greater safety and stability in sailing vessels, row-boats, canoes, and the like" (line 12-14).
Date: January 11, 1898
Creator: Evesson, Martin V. B.
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Back-Brace

Description: Patent for improvement on back braces, specifically to improve the performances of people who repeatedly stoop for their jobs. The back brace aims to relieve the stress on back muscles.
Date: November 14, 1911
Creator: Thornton, Henry C.
Item Type: Refine your search to only Patent
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