Patent assignee · US · INDIVIDUAL

William E. Welch

3Patents
0Active
3Granted
25Portfolio score

Filing activity: Nov 23, 1992 → Oct 20, 1998

Most-cited patents

PatentTitleAreaCited byStatus
US6292706A Simulated baseball game Human Necessities 36 Expired
US5304068A Ground fault interruptor electrical connector for twist-lock plug Electricity 4 Expired
US5931517A WCW trench cleaner Fixed Constructions 2 Expired

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