RW

Robert K. Warkentin

📍 Visalia, CA: #36 of 194 inventorsTop 20%
🗺 California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,638,505 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5829190 Grape drying method — 1998-11-03
5741344 Conversion of agricultural waste using worms — 1998-04-21
5666761 Grape drying system — 1997-09-16