Inventor
Helmut Quabeck
Inventor
Babenhausen, DE
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television50%
G03DApparatus for processing exposed photographic materials17%
G03GElectrography17%
H05BElectric heating17%
PatentTitleYear
5,245,160'Heat pipe roller with temperature sensor'19935,014,138'Process for recording semihalftone images and device for conversion of image dot tonal value data'19914,939,589'Process for recording semihalftone images and device for conversion of image dot tonal value data'19904,876,611'Process for recording semihalftone images'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1993Patents assigned to DU PONT (4)· patent assignee history
1989–1993Based in Babenhausen, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DU PONT | 4 | 1989–1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Babenhausen, DE | 4 | 1989–1993 |