RH

Roger J. Hoffman

CV Ciba Vision: 2 patents #32 of 94Top 35%
CI Ciba-Geigy: 1 patents #1,572 of 2,867Top 55%
Overall (All Time): #1,641,183 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5824276 Method and apparatus for uniformly dispersing articles in a treatment solution Robert Allen Janssen, Barbara L. Heyl, Thomas E. Shank 1998-10-20
5665420 Impulse-jet method and apparatus for uniformly dispersing articles in a treatment solution Robert Allen Janssen, Barbara L. Heyl, Thomas E. Shank 1997-09-09
5607518 Methods of deblocking, extracting and cleaning polymeric articles with supercritical fluids Wilson Leonard Terry, Jr. 1997-03-04