"That’s an amazing invention, but who would ever want to use one of them?"
President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 4090089 | Sequential coded computerized anti-theft lock An electrical apparatus for installation particularly in an automotive vehicle, and which serves as an anti-theft device, and wherein a proper code in a proper order must be first depressed on a switch plate by the vehicle operator in order that the vehic... | 05/16/1978 |
| 4072929 | Computer controlled bulk storage fluid dispensing terminal A computer controlled bulk storage fluid dispensing terminal for dispensing fluid, such as flammable fuels, to customer vehicles from a plurality of adjacent loading stations without the requirement of a full time attendant. A multiple digit input data en... | 02/07/1978 |
| 3953769 | Electronic security control system Actuation of an electrically operated lock is controlled by an electronic permutation circuit including an array of code entry push-button switches disposed for operation at the entrance to a secured area and a plurality of code selector switches mounted ... | 04/27/1976 |
| 3938091 | Personal verification system A customer code word issuing machine is provided wherein a customer manually inputs to the machine his secret password. The machine encodes the password and displays his corresponding issued code word. A verification machine is provided which includes a d... | 02/10/1976 |