Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Rotary tool

Rotary tool

US Patent D310160 · Granted Aug 28, 1990

Assignee

Sears, Roebuck And

Inventors

Madhu C. Patel (8 patents)

View full patent text on Google Patents →

More Patents by These Inventors

Test schedule estimator for legacy builds2007

Fiber optic coupling system1989

Pocket calculator with credit card controller and dispenser1988

Outdoor light1986

Outdoor light1986

Optical card read/write scanning system1985

Outdoor light1985

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly