PC

Paul D. Copenhaver

UN Unknown: 2 patents #12,644 of 83,584Top 20%
PR Printing Research: 1 patents #11 of 19Top 60%
Overall (All Time): #1,617,492 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6427594 Infra-red forced air dryer and extractor Howard C. Secor, Ronald M. Rendleman 2002-08-06
5966836 Infrared heating apparatus and method for a printing press Benito Valdez, John A. Aylor, Howard C. Secor 1999-10-19
5537925 Infra-red forced air dryer and extractor Howard C. Secor, Ronald M. Rendleman 1996-07-23