FG

Frederick J. Grace

📍 Falmouth, MA: #39 of 135 inventorsTop 30%
🗺 Massachusetts: #33,482 of 88,656 inventorsTop 40%
Overall (All Time): #1,682,799 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4385578 Placement and retrieval barge for off-shore well drilling — 1983-05-31
4373834 Portable off shore well installation apparatus — 1983-02-15
4202119 Waterway cleaner with endless bucket conveyor — 1980-05-13