Paul E. Richards
4Patents
4h-index
8Co-inventors
47Inventor score
Filing activity: Oct 11, 1977 → Feb 22, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4736740A | Gas mask with voice communication device | Human Necessities | 32 | Expired |
| US4237341A | Portable self-contained amplifier and loudspeaker apparatus | Emerging Cross-Sectional Technologies | 16 | Expired |
| USD253651S | Wall mounted cabinet for a public address system | General | 8 | Expired |
| US8177940B2 | Apparatus and method for stabilizing a moving web having transitions in a surface adjacent the web | Textiles; Paper | 5 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.