Patent assignee · US · INDIVIDUAL

Daniel J. Willis

1Patents
0Active
1Granted
22Portfolio score

Filing activity: Mar 9, 1998 → Mar 9, 1998

Most-cited patents

PatentTitleAreaCited byStatus
US5918403A Gun safety device Mechanical Engineering; Lighting; Heating 15 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.