Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Digital sonobuoy

Digital sonobuoy

US Patent 4309763 · Granted Jan 5, 1982

Assignee

No assignee recorded.

Inventors

Paul R. Passmore (4 patents)
Unknown

View full patent text on Google Patents →

More Patents by These Inventors

Earthquake and displacement early warning system2020

Method of and systems for seismic exploration1989

System for seismic digital data acquisition over water covered areas1984

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly