Daniel J. Willis
1Patents
0Active
1Granted
22Portfolio score
Filing activity: Mar 9, 1998 → Mar 9, 1998
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5918403A | Gun safety device | Mechanical Engineering; Lighting; Heating | 15 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.