RR

Roger L. Ripert

GR Grove Valve And Regulator: 2 patents #1 of 10Top 10%
📍 Concord, CA: #3 of 30 inventorsTop 10%
🗺 California: #320 of 6,198 inventorsTop 6%
Overall (1982): #8,279 of 81,411Top 15%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4345738 Fire safe seal 1982-08-24
4337919 Bearing retainers for a rotary valve 1982-07-06