RC

Richard Caldwell

OE Otis Elevator: 1 patents #966 of 1,840Top 55%
📍 Indian Harbour Beach, FL: #34 of 73 inventorsTop 50%
🗺 Florida: #22,299 of 67,251 inventorsTop 35%
Overall (All Time): #2,289,714 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5456160 Method for reducing seal stiction in a hydraulic cylinder — 1995-10-10
5022337 Lift producing device exhibiting low drag and reduced ventilation potential and method for producing the same — 1991-06-11