Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Lamp driver circuit

Lamp driver circuit

US Patent 5072159 · Granted Dec 10, 1991

Assignee

No assignee recorded.

Inventors

Robert B. Schlenk (3 patents)

View full patent text on Google Patents →

More Patents by These Inventors

Stud welding1996

Driver circuit having paralleled transistors and current-variable resistive elem1994

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly