Inventor
Donald J. Coulman
Inventor
Corvallis, OR, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Jprimary
B41JTypewriters8%
B82YSpecific uses or applications of nanostructures8%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients8%
C09JAdhesives8%
C23CCoating metallic material8%
F02DControlling combustion engines8%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof8%
G02BOptical elements, systems or apparatus8%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices8%
H05KPrinted circuits8%
PatentTitleYear
7,608,194'Photonic structures, devices, and methods'20097,255,805'Photonic structures, devices, and methods'20076,945,198'Variable fuel and fluid delivery system'20056,786,194'Variable fuel delivery system and method'20046,179,413'High durability polymide-containing printhead system and method for making the same'20016,045,215'High durability ink cartridge printhead and method for making the same'20005,667,851'Process for preparing a metallized polymide film containing a hydrocarbyl tin compound'19975,543,222'Metallized polyimide film containing a hydrocarbyl tin compound'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–1997Patents assigned to DU PONT (2)· patent assignee history
1996–1997Based in Wilmington, DE, US· patent location history
2000–2001Patents assigned to HEWLETT PACKARD CO (2)· patent assignee history
2000–2009Based in Corvallis, OR, US· patent location history
2004–2009Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HEWLETT PACKARD DEVELOPMENT CO | 4 | 2004–2009 |
| DU PONT | 2 | 1996–1997 |
| HEWLETT PACKARD CO | 2 | 2000–2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Corvallis, OR, US | 6 | 2000–2009 |
| Wilmington, Delaware, US | 2 | 1996–1997 |