RB

Ronald J. Borrup

SI Sierracin: 2 patents #9 of 31Top 30%
📍 South Pasadena, CA: #155 of 313 inventorsTop 50%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,362,339 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4384401 Method for forming a heater element — 1983-05-24
4320286 Heater element — 1982-03-16