William A. Spring
4Patents
4h-index
5Co-inventors
43Inventor score
Filing activity: Oct 18, 1982 → May 15, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6109851A | Screws having selected heat treatment and hardening | Chemistry; Metallurgy | 33 | Expired |
| US4523883A | Printed circuit board fastener | Electricity | 17 | Expired |
| US4652971A | Printed circuit board fastener | Electricity | 13 | Expired |
| US6364972B1 | Method for selectively hardening a carbon steel screw | Chemistry; Metallurgy | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.