RB

Richard L. Betz

📍 Houghton Lake, MI: #1 of 13 inventorsTop 8%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #2,168,607 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7040979 Multi-season crawl space vent — 2006-05-09
6817942 Multi-season crawl space vent — 2004-11-16