Spitfire Tool and Machine Co.
4Patents
0Active
4Granted
24Portfolio score
Filing activity: Jun 16, 1975 → May 13, 1980
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4020600A | Polishing fixture | Performing Operations; Transporting | 44 | Expired |
| US4319432A | Polishing fixture | Performing Operations; Transporting | 21 | Expired |
| US4315383A | Inner gear drive for abrading machines | Performing Operations; Transporting | 21 | Expired |
| US4009539A | Lapping machine with vacuum workholder | Performing Operations; Transporting | 17 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.