RS

Robert Francis Semrau

General Motors: 1 patents #96 of 495Top 20%
📍 St. Johns, MI: #1 of 2 inventorsTop 50%
🗺 Michigan: #1,023 of 4,492 inventorsTop 25%
Overall (1997): #83,508 of 185,788Top 45%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5666932 EGR valve maintenance method Paul A. Bauerle, John Norman Stockbridge 1997-09-16