William R. Horst
17Patents
12h-index
13Co-inventors
71Inventor score
Filing activity: Feb 1, 1974 → Jul 11, 1988
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4634845A | Portable personal terminal for use in a system for handling transactions | Physics | 319 | Expired |
| US4689478A | System for handling transactions including a portable personal terminal | Physics | 314 | Expired |
| US4385285A | Check dispensing terminal | Physics | 200 | Expired |
| US4034211A | System and method for providing a security check on a credit card | Emerging Cross-Sectional Technologies | 121 | Expired |
| US4652698A | Method and system for providing system security in a remote terminal environment | Electricity | 101 | Expired |
| US4011435A | Optical indicia marking and detection system | Physics | 68 | Expired |
| US4023010A | Optical identification system and reader for reading optical gratings on a record medium | Physics | 49 | Expired |
| US4941205A | Bidirectional optical data communications system | Electricity | 31 | Expired |
| US4398711A | Currency dispenser monitor | Performing Operations; Transporting | 18 | Expired |
| US4168058A | Record member feeding device | Performing Operations; Transporting | 17 | Expired |
| US4585144A | Record member dispensing system | Performing Operations; Transporting | 16 | Expired |
| US4143357A | Transducing device for signature verification system | Physics | 13 | Expired |
| US4044939A | Method of fabricating diffraction grating masters and apparatus therefor | Emerging Cross-Sectional Technologies | 9 | Expired |
| US3985293A | Machine readable merchandise marking tag | Physics | 6 | Expired |
| US4101905A | Method for writing and viewing magnetic human readable characters and viewing means therefor | Physics | 4 | Expired |
| US4092234A | Method of fabricating diffraction grating masters and apparatus therefor | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4284715A | Method and apparatus for fabricating a translucent graded density membrane | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.