DH

Douglas I. Hoiberg

SP Steward Plastics: 2 patents #3 of 7Top 45%
📍 San Clemente, CA: #341 of 775 inventorsTop 45%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,361,536 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4375381 Two piece extruded hose Lennart L. Carlson 1983-03-01
4337800 Two piece extruded hose Lennart L. Carlson 1982-07-06