CD

Charles D. Diasparra

OE Otis Elevator: 1 patents #966 of 1,840Top 55%
📍 Le Claire, IA: #6 of 7 inventorsTop 90%
🗺 Iowa: #8,735 of 15,303 inventorsTop 60%
Overall (All Time): #3,826,150 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5219060 Step axle for escalator Gerald E. Johnson, Arthur McClement 1993-06-15