Skip to content

Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Universities Inventors Cities States Technologies Top Patents Inventor 500

Select ranking year

Home › Switch mechanism

Switch mechanism

US Patent 5517165 · Granted May 14, 1996

Assignee

Pdl Holdings Limited

Inventors

David L. Cook (5 patents)

View full patent text on Google Patents →

More Patents by These Inventors

In Line rewirable switch device1999

Pneumatically operated veterinary pellet implanter1999

In-line rewirable switch device1998

Switching mechanism1995

Data from USPTO via PatentsView — About — Embed & Press Kit — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly