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John L. Stoffel

HP HP: 29 patents #877 of 16,619Top 6%
EA E.I. Du Pont De Nemours And: 4 patents #1,770 of 8,010Top 25%
IP International Paper: 1 patents #445 of 935Top 50%
📍 San Diego, CA: #1,090 of 23,606 inventorsTop 5%
🗺 California: #14,433 of 386,348 inventorsTop 4%
Overall (All Time): #103,213 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 26–34 of 34 patents

Patent #TitleCo-InventorsDate
5555008 Process for alleviating bleed in printed elements Arthur C. Shor, Harry J. Spinelli, Sheau-Hwa Ma, Howard Matrick, Mark L. Choy +1 more 1996-09-10
5401303 Aqueous inks having improved halo characteristics David H. Donovan, Loren E. Johnson, John R. Moffatt 1995-03-28
5356464 Aqueous ink compositions containing anti-curl agents Mark Hickman, Loren E. Johnson, Ronald A. Askeland, Catherine B. Hunt, Howard Matrick +4 more 1994-10-18
5272491 Thermal ink jet print device having phase change cooling Stuart D. Asakawa, John A. Mohr, William D. Kappele, Bruce E. Mueller, Gerold Firl 1993-12-21
5198023 Cationic dyes with added multi-valent cations to reduce bleed in thermal ink-jet inks 1993-03-30
5091005 Inks for bleed-free ink-jet printing on plain paper Bruce E. Mueller 1992-02-25
4994110 Dyes containing lithium for ink-jet printing inks Ronald A. Askeland, William D. Kappele 1991-02-19
4862197 Process for manufacturing thermal ink jet printhead and integrated circuit (IC) structures produced thereby 1989-08-29
4761180 Dyes containing tetramethylammonium cation for ink-jet printing inks Ronald A. Askeland, William D. Kappele, Norman E. Pawlowski, Jr. 1988-08-02