Inventor
K. Trent Christensen
Inventor
Boise, ID, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography50%
B41JTypewriters20%
G06FElectric digital data processing10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
G01FMeasuring volume, volume flow, mass flow or liquid level5%
H04NPictorial communication, e.g. television5%
PatentTitleYear
6,307,584'Single polygon scanner for multiple laser printer'20016,113,208'Replaceable cartridge for a printer including resident memory with stored message triggering data'20005,999,761'Dynamic adjustment of characteristics of an image forming apparatus'19995,946,520'Anti-fraud pull tab system for printing products'19995,930,553'Image forming and office automation device consumable with memory'19995,887,232'Apparatus for dispensing toner in an electrophotographic printing system'19995,862,431'Toner powder level sensing using element and pulse signal and toner powder presence sensing using piezoelectric film'19995,758,224'Fusable life indicator and identification device for an electrophotographic consumable product'19985,682,140'Image forming device with end of life messaging for consumables'19975,666,608'Charging member and image forming member spacer apparatus'19975,392,963'Refurbished toner cartridge'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2001Patents assigned to HEWLETT PACKARD CO (11)· patent assignee history
1995–2001Based in Boise, ID, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HEWLETT PACKARD CO | 11 | 1995–2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Boise, ID, US | 11 | 1995–2001 |