GJ

Gerald E. Johannes

📍 Huron, SD: #13 of 46 inventorsTop 30%
🗺 South Dakota: #678 of 2,308 inventorsTop 30%
Overall (All Time): #2,371,115 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4293351 Silicone rubber explosive and method of making — 1981-10-06
4278480 Slurry type explosive — 1981-07-14