Inventor
William D. Kappele
Inventor
Loveland, CO, US
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Dprimary
C09DCoating compositions, e.g. paints, varnishes or lacquers72%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments17%
B41JTypewriters6%
D21HPulp compositions6%
PatentTitleYear
6,538,049'Ink compositions'20036,174,357'Pigment-based ink compositions'20016,063,834'Wet-rub resistant ink compositions'20005,994,427'High performance ink compositions with non-benzidine based colorants'19995,925,692'High performance ink compositions'19995,656,071'Ink compositions'19975,273,573'Specific dye set for thermal ink-jet printing on paper'19935,272,491'Thermal ink jet print device having phase change cooling'19935,185,034'Ink-jet inks with improved colors and plain paper capacity'19935,145,519'Specific dye set for thermal ink-jet printing'19925,143,547'Specific dye set for thermal ink-jet printing on plain and coated papers'19925,069,718'Potassium substituted inks for ink-jet printers'19914,994,110'Dyes containing lithium for ink-jet printing inks'19914,761,180'Dyes containing tetramethylammonium cation for ink-jet printing inks'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–1993Patents assigned to HEWLETT PACKARD CO (8)· patent assignee history
1991Based in San Marcos, CA, US· patent location history
1992–1993Based in Loveland, CO, US· patent location history
1997–2003Patents assigned to LEXMARK INT INC (6)· patent assignee history
1997–2003Based in Lexington, KY, US· patent location history
1999–2000Based in Georgetown, KY, US· patent location history
2001Based in Anacortes, WA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HEWLETT PACKARD CO | 8 | 1988–1993 |
| LEXMARK INT INC | 6 | 1997–2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Loveland, CO, US | 5 | 1992–1993 |
| Georgetown, KY, US | 3 | 1999–2000 |
| Lexington, KY, US | 2 | 1997–2003 |
| San Marcos, California, US | 2 | 1991 |
| Anacortes, Washington, US | 1 | 2001 |