John M. Perhach
2Patents
2h-index
4Co-inventors
30Inventor score
Filing activity: Nov 10, 1982 → Oct 2, 1986
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4715215A | Method and apparatus for testing the fluid-tight sealed integrity of a hermetically-sealed package in a rapidly-stabilized environment | Physics | 26 | Expired |
| US4478070A | Vacuum package tester and method | Physics | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.