UNT Libraries Government Documents Department - 8 Matching Results

Search Results

Results: 1 - 8

Car-Coupling.

Description: Patent for a simple and inexpensive automatically car-coupling that holds the link in a horizontal position that the operator does not need to guide the couplings by hand. It can also be uncoupled without going between the cars.
Date: November 13, 1894
Creator: Norcross, George A.
Item Type: Refine your search to only Patent

Padlock.

Description: Patent for a new and improved padlock. This design "relates . . . more particularly to those padlocks which are used for locking railway-switches . . . [T]he invention consists in a padlock comprising a bow, or hasp, or shackle, a spring-bolt for engaging the same, tumblers, and a lever connecting the tumblers and bolt, a locking device for the tumblers, and an audible alarm, such as a bell" (lines 9-25).
Date: January 13, 1891
Creator: Lucas, George William
Item Type: Refine your search to only Patent

Sanitary Closet

Description: Patent for "improvements on sanitary closets for destroying the human excrement-s on the premises with little labor and expense" (lines 8-11).
Date: May 13, 1890
Creator: McCamant, Theodore F.
Item Type: Refine your search to only Patent

Spring Bed Bottom.

Description: Patent for a new and improved box-spring. This design consists in "[a] main frame having slats and springs and a metallic frame encircling said springs, in combination with the curved brace-springs having the coils and loops pressing on top of the slats, said springs being secured to the slats and metallic frame, and the rods secured to said frame and passing through the ends of the slats" (lines 76-83).
Date: January 13, 1891
Creator: Houston, Leonard B.
Item Type: Refine your search to only Patent

Telephone.

Description: Patent for a simple and effective magneto telephone with a newly designed apparatus that allows the telephone to better receive and transmit calls and "will receive its magnetism from the magnets of the magneto call" (lines 21-22).
Date: November 13, 1894
Creator: Serdinko, John
Item Type: Refine your search to only Patent
Back to Top of Screen