Charles H. Parr
5Patents
4h-index
9Co-inventors
50Inventor score
Filing activity: Aug 25, 1980 → Mar 23, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5735905A | Shock absorbing element for a load bearing prosthesis | Human Necessities | 91 | Expired |
| US6249261A | Polymer, composite, direction-finding antenna | Electricity | 28 | Expired |
| US4391594A | Flexible coupling | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4569667A | Flexible coupling | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US5486768A | Surface resistivity meter for determining surface degradation of high resistivity materials | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.