Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Automatically retractable, rotatable step assembly

Automatically retractable, rotatable step assembly

US Patent 4542805 · Granted Sep 24, 1985

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Compositions and methods for alleviating hyposalivation and for providing oral c2019
Compositions and methods for alleviating hyposalivation and for providing oral c2018
Compositions and methods for alleviating hyposalivation and for providing oral c2017
Direct drive dental prophy angle2001
Endoscopic device1999
Endoscopic device1997
Endoscopic device for intraoral use1995