Inventor
Gerson E. Beauchamp
Inventor
Park Ridge, IL, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography56%
Y10TTechnical subjects covered by former us classification44%
PatentTitleYear
4,450,203'Electrographic coatings containing acrylamide copolymers'19844,400,441'Electrographic coating containing aqueous emulsion copolymerized acrylamide copolymers'19834,339,505'Electrographic coatings containing acrylamide copolymers'19824,204,971'Calcium oxide or hydroxide to improve the charge acceptance of electrographic dielectric resins'19804,145,478'Calcium oxide or hydroxide to improve the charge acceptance of electrographic dielectric resins'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1984Patents assigned to DESOTO INC (5)· patent assignee history
1979–1980Based in Parkridge, IL, US· patent location history
1982–1984Based in Park Ridge, IL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DESOTO INC | 5 | 1979–1984 |
Locations
| Location | Patents | Span |
|---|---|---|
| Park Ridge, Illinois, US | 3 | 1982–1984 |
| Parkridge, Illinois, US | 2 | 1979–1980 |