Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Disposable contraceptive cervical barrier

Disposable contraceptive cervical barrier

US Patent 4630602 · Granted Dec 23, 1986

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Polyurethane foam cleaning pads and a process for their manufacture1983
Skateboard1982
Polyurethane sponges manufactured with additive dispersed therein1982
Method of manufacturing a disposable contraceptive intravaginal cervical barrier1982
Method of manufacturing a disposable contraceptive intravaginal cervical barrier1982
Polyurethane sponges manufactured with additive dispersed therein1981
Vaginal syringe1980
Disposable contraceptive cervical barrier1980
Disposable contraceptive cervical barrier1980