RH

Roy E. Hensel

HC Hoechst Celanese: 2 patents #300 of 871Top 35%
AH American Hoechst: 1 patents #61 of 142Top 45%
BH Bayer Healthcare: 1 patents #4,623 of 8,007Top 60%
Overall (All Time): #1,287,935 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5609945 Partially translucent white film having metallized surface Robert J. von Trebra, Gerald Smith, Oliver A. Barton 1997-03-11
5300395 Partially translucent white film having a metallized surface Robert J. von Trebra, Gerald Smith, Oliver A. Barton 1994-04-05
5246812 Partially translucent white film having a metallized surface Robert J. von Trebra, Gerald Smith, Oliver A. Barton 1993-09-21
4332454 Assembly for processing a photosensitive material Leonhard F. Biller, Russell J. Danson 1982-06-01