Inventor
Charles Campbell
Inventor
Alpine, NJ, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds29%
C08JWorking-up29%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests21%
B29DProducing particular articles from plastics or from substances in a plastic state14%
G02CSpectacles7%
PatentTitleYear
5,037,677'Method of interlaminar grafting of coatings'19915,023,114'Method of hydrophilic coating of plastics'19914,959,074'Method of hydrophilic coating of plastics'19904,801,475'Method of hydrophilic coating of plastics'19894,288,149'Resin ophthalmic lenses having a prismatic segment'19814,163,541'Mold for the casting of resin ophthalmic lenses having a prismatic segment'19794,163,655'Method of manufacture of molds for resin ophthalmic lenses having a segment with prismatic optical effect'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1981Patents assigned to SIGNET OPTICAL CORP (3)· patent assignee history
1979–1981Based in La Jolla, CA, US· patent location history
1989–1991Patents assigned to BEAVERS ELLINGTON M (4)· patent assignee history
1989–1991Patents assigned to CAMPBELL CHARLES (4)· patent assignee history
1989–1991Patents assigned to HALPERN GREGORY (3)· patent assignee history
1989–1991Patents assigned to CHEH HUK Y (2)· patent assignee history
1989–1991Based in Alpine, NJ, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BEAVERS ELLINGTON M | 4 | 1989–1991 |
| CAMPBELL CHARLESself | 4 | 1989–1991 |
| HALPERN GREGORY | 3 | 1989–1991 |
| SIGNET OPTICAL CORP | 3 | 1979–1981 |
| CHEH HUK Y | 2 | 1989–1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Alpine, New Jersey, US | 4 | 1989–1991 |
| La Jolla, California, US | 3 | 1979–1981 |