JC

John A. Calkins

TM The Smead Manufacturing: 1 patents #41 of 49Top 85%
General Motors: 1 patents #9,361 of 18,328Top 55%
📍 Ann Arbor, MI: #2,308 of 6,071 inventorsTop 40%
🗺 Michigan: #27,158 of 86,293 inventorsTop 35%
Overall (All Time): #1,601,360 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6969092 Desktop printable file folder blank and filing system Steve C. MacWilliams 2005-11-29
D361094 Tag John J. Chiffers, Leo C. Moore 1995-08-08
4848189 Engine throttle stop control system Robert C. Simon, Jr., Daniel B. O'Connell, David C. Poirier, Richard A. Marsh, Peter M. Medich +1 more 1989-07-18