Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Loudspeaker amplifier

Loudspeaker amplifier

US Patent 4258332 · Granted Mar 24, 1981

Assignee

No assignee recorded.

Inventors

Henry West (2 patents)

View full patent text on Google Patents →

More Patents by These Inventors

Radiomic signature of an epicardial region2024

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly