Patent assignee · US · INDIVIDUAL

Charles Allen

3Patents
0Active
3Granted
26Portfolio score

Filing activity: Dec 2, 1981 → Feb 16, 1995

Most-cited patents

PatentTitleAreaCited byStatus
US5547393A Beauty salon appliance workstation Human Necessities 26 Expired
US4379043A Water-decomposition and gas-generating apparatus Chemistry; Metallurgy 17 Expired
US4617884A Torsional vibration isolator and method Emerging Cross-Sectional Technologies 12 Expired

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