Patent assignee · CH · COMPANY

Patentex S.A.

6Patents
0Active
6Granted
27Portfolio score

Filing activity: Jul 12, 1973 → Oct 3, 1991

Most-cited patents

PatentTitleAreaCited byStatus
US4326716A Polyurethane golf club Emerging Cross-Sectional Technologies 60 Expired
US3941380A Tennis rackets and similar implements with vibration damper Human Necessities 44 Expired
US5143571A Method of molding a golf club head Human Necessities 26 Expired
US4022469A Tennis ball Emerging Cross-Sectional Technologies 11 Expired
US4439471A Tennis ball with fabric covering Emerging Cross-Sectional Technologies 8 Expired
US4279418A Rackets for tennis and other games Human Necessities 2 Expired

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