Inventor
Rodney Evan Sproul
Inventor
Lexington, KY, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography91%
G09BEducational or demonstration appliances9%
PatentTitleYear
10,048,623Toner cartridge for use in an image forming device20189,921,522'Toner cartridge for use in an image forming device'20189,658,590'Toner cartridge for use in an image forming device'20179,541,860'Toner cartridge for use in an image forming device'20179,323,178'Toner cartridge for use in an image forming device'20169,298,130'Toner cartridge for use in an image forming device'20169,042,792'Toner delivery system for a shake-free toner cartridge'20158,867,966'Toner cartridge for use in an image forming device'20148,792,138'System and methods for automatic color deficient vision correction of an image'20148,688,016'Paddle assembly for a shake-free toner cartridge'20148,660,469'Toner delivery system for a shake-free toner cartridge'2014Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2014–2018Patents assigned to LEXMARK INT INC (11)· patent assignee history
2014Patents assigned to SPROUL RODNEY EVAN (4)· patent assignee history
2014Patents assigned to CARTER II JAMES ANTHANY (3)· patent assignee history
2014Patents assigned to HACKNEY GARY NEAL (3)· patent assignee history
2014Patents assigned to LEEMHUIS JAMES RICHARD (3)· patent assignee history
2014–2018Based in Lexington, KY, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LEXMARK INT INC | 11 | 2014–2018 |
| SPROUL RODNEY EVANself | 4 | 2014 |
| CARTER II JAMES ANTHANY | 3 | 2014 |
| HACKNEY GARY NEAL | 3 | 2014 |
| LEEMHUIS JAMES RICHARD | 3 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lexington, KY, US | 11 | 2014–2018 |