James D. Burr
2Patents
0Active
2Granted
19Portfolio score
Filing activity: Sep 24, 1992 → Oct 16, 1992
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD352049S | Optical focuser | General | 8 | Expired |
| US5303090A | Apparatus for adjusting the position of a drawtube in an optical instrument | Physics | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.