Inventor
Jack H. Sayre
Inventor
Saint John, CA
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Jprimary
B41JTypewriters40%
H04NPictorial communication, e.g. television40%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables20%
PatentTitleYear
5,061,948'Electrographic marking with modified addressing to eliminate striations'19915,055,862'Film ghost removal in electrographic plotters by voltage bias of the plotter fountain or film edge-strip'19915,053,793'Electrographic marking with dithered stylus group boundaries to eliminate striations'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991Patents assigned to XEROX CORP (3)· patent assignee history
1991Based in Saint John, CA· patent location history
1991Based in San Jose, CA, US· patent location history
1991Based in St. Johns, CA· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| XEROX CORP | 3 | 1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Saint John, CA | 1 | 1991 |
| San Jose, California, US | 1 | 1991 |
| St. Johns, CA | 1 | 1991 |