20 Matching Results

Search Results

Advanced search parameters have been applied.

Self-Indexing Loose-Leaf Ledger.

Description: Patent for a self-indexing loose leaf ledger, which has vertical alphabetical tabs on the side of the book for surname indexing and horizontal alphabetical tabs on the bottom and top of pages for indexing first and second initials. This allows an account to be easily found in the book and not be mixed up with one with the same surname.
Date: November 16, 1909
Creator: Schwander, Peter W.
Partner: UNT Libraries Government Documents Department

Door-Stop.

Description: Patent for a door stop, which is made of metal and attaches easily to the door.
Date: March 16, 1909
Creator: Snowden, Rene Ravenel
Partner: UNT Libraries Government Documents Department

Derailer.

Description: Patent for a derailer for use on railroad tracks that can be either put on a switch or directly on the rails.
Date: November 16, 1909
Creator: Farrell, John T.
Partner: UNT Libraries Government Documents Department

Automatic Dumping-Elevator

Description: Patent for an automatic dumping elevator for supplies which can stop at different heights and dump the contents of the elevator.
Date: November 16, 1909
Creator: Richmond, George E.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen