William N. Smith
19Patents
10h-index
13Co-inventors
69Inventor score
Filing activity: Jul 22, 1976 → Apr 18, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4109121A | Electrical switch construction and method of making the same | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4159563A | Electrical switch construction and method of making the same | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4601672A | Action figure in which manipulation of one arm produces rotation of both legs about a vertical axis | Human Necessities | 20 | Expired |
| US4670888A | Frequency modulated modem transmitter | Electricity | 18 | Expired |
| US4608026A | Figure wherein manipulation of one limb causes motion of another | Human Necessities | 17 | Expired |
| US4617423A | Data communication system | Electricity | 16 | Expired |
| US4642610A | Communications apparatus for handicapped individuals | Electricity | 15 | Expired |
| US4758829A | Apparatus for stimulating a keyboard | Electricity | 15 | Expired |
| US4571197A | Impact responsive toy vehicle | Human Necessities | 13 | Expired |
| US4796939A | Lifting means | Performing Operations; Transporting | 13 | Expired |
| US4194103A | Electrical switch construction and method of making the same | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4168412A | Electrical switch construction and method of making the same | Electricity | 6 | Expired |
| US4245142A | Control unit and electrical switch construction therefor and methods of making such a control unit and electrical switch construction | Electricity | 4 | Expired |
| US4517423A | Human body activated switch | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4323764A | Control system and control device for controlling a heating unit and method of making and operating the same | Electricity | 2 | Expired |
| US4314122A | Control unit and electrical switch construction therefor and methods of making such a control unit and electrical switch construction | Electricity | 2 | Expired |
| US4169971A | Electrical switch construction | Electricity | 1 | Expired |
| US6751685B2 | E1/T1 to asynchronous communications interface | Electricity | 1 | Expired |
| US4345369A | Control unit and electrical switch construction therefor--methods of making such a control unit and electrical switch construction | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.