Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
Home › Brownells › Frank R. Brownell
FB

Frank R. Brownell

BRBrownells: 1 patents #1 of 1Top 100%
Montezuma, IA: #1 of 4 inventorsTop 25%
Iowa: #283 of 1,090 inventorsTop 30%
Overall (2004): #268,717 of 270,089Top 100%
1 Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6701658 Multiple device gun barrel cleaning tool — 2004-03-09

Nearby-Ranked Inventors

Rick W. Seitsinger1
William Weselyk1
Grant W. LaPlante1
Michael Robert Lamelin1
Antonius Jacobus Gerardus Maria Kaarsgaren1
Michel Feret1
Carl Dymond1
Timothy Walter Wiwchar1
Nomura Tatsuo1