BH

Barbel Helbrecht

Xerox: 4 patents #2,608 of 8,622Top 35%
📍 Oakville, CA: #321 of 1,175 inventorsTop 30%
Overall (All Time): #1,294,239 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5302195 Ink compositions containing cyclodextrins Marcel P. Breton, Kerstin M. Henseleit, Melvin D. Croucher 1994-04-12
5254158 Ink jet ink compositions Marcel P. Breton, Geoffrey A. R. Nobes, Shadi L. Malhotra 1993-10-19
5156675 Ink for ink jet printing Marcel P. Breton, Fatima M. Pontes, Kerstin M. Henseleit, Melvin D. Croucher, Raymond W. Wong 1992-10-20
5129948 Ink for ink jet printing Marcel P. Breton, Melvin D. Croucher, Kerstin M. Henseleit, Fatima M. Pontes 1992-07-14