RS

Robert R. Spreng

BS Briggs & Stratton: 1 patents #303 of 490Top 65%
📍 Brookfield, WI: #469 of 745 inventorsTop 65%
🗺 Wisconsin: #23,834 of 40,088 inventorsTop 60%
Overall (All Time): #4,026,924 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4561270 Key operated shallow penetration lock — 1985-12-31