CD

Calvin H. Derr

Illinois Tool Works: 3 patents #1,165 of 4,258Top 30%
PA Panduit: 2 patents #223 of 466Top 50%
📍 Chicago, IL: #2,537 of 13,327 inventorsTop 20%
🗺 Illinois: #17,877 of 84,256 inventorsTop 25%
Overall (All Time): #983,228 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9891387 Fiber optic adapter with enhanced alignment John G. Dalton, Jerry A. Wiltjer 2018-02-13
9720183 Fiber optic adapter with enhanced alignment John G. Dalton, Jerry A. Wiltjer 2017-08-01
7510062 Rotary damper Chad K. Zeilenga 2009-03-31
6298960 Small viscous precision damper 2001-10-09
6213454 Reverse air damper with latching mechanism Steven L. Bivens, Joseph Wach 2001-04-10