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Receptacle-Lid Lifter

Description: Patent for "new and useful improvements in means for automatically opening the closure of a receptacle upon the approach of a person thereto" (lines 12-15), including illustrations.
Date: August 31, 1915
Creator: Bianchi, Manlio
Partner: UNT Libraries Government Documents Department

Packing-Ring for Piston-Rods.

Description: Patent for improved piston rings used in steam or internal combustion engines that prevent steam or combustion force from leaking by having packing rings automatically expand.
Date: August 31, 1915
Creator: Bryant, Clarence Ross
Partner: UNT Libraries Government Documents Department
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