Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
ID

Irwin Research And Development — 19 Patents

Rank (All Time): #30,626 of 106,127Top 30%
6 inventors
19 Patents All Time

Top Inventors at Irwin Research And Development All Time

Showing 1–6 of 6 inventors

RankNamePatents
1 Dale L. Vantrease 13
2 Jere F. Irwin 9
3 Gerald M. Corbin 3
#4 Clive J. Roberts 1
#4 Jeffrey S. LaMont 1
#4 John R. Doornink 1