Inventor
Claus Prochnow
Inventor
Braunschweig, DE
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Bprimary
G03BApparatus or arrangements for taking photographs or for projecting or viewing them69%
LOCD125%
G12BConstructional details of instruments, or comparable details of other apparatus, not otherwise provided for6%
PatentTitleYear
4,336,986'Camera having an independently focused retractable objective lens'19824,329,041'Camera hand grip'19824,306,792'Camera with automatic flash power level selection'19814,280,762'Camera having an independently focused retractable objective lens'19814,221,477'Camera'19804,208,113'Photographic camera'19804,136,948'Photographic enlarger'1979D0250267'Photographic flash unit'19784,097,144'Adjustment device for photographic enlarging or reproducing apparatus'19784,097,883'Camera grip'19784,093,363'Motion picture projector'1978D0247908'Photographic enlarger'1978D0246589'Electronic flash unit'19774,019,041'Flash apparatus with cable storage space'1977D0243082'Electronic flash unit'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1982Patents assigned to ROLLEI WERKE FRANKE HEIDECKE (14)· patent assignee history
1977–1982Based in Braunschweig, DE· patent location history
1978–1982Based in Brunswick, DE· patent location history
1982Patents assigned to ADAMSKI GUENTER (1)· patent assignee history
1982Patents assigned to MAEDGE JOACHIM (1)· patent assignee history
1982Patents assigned to PROCHNOW CLAUS (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ROLLEI WERKE FRANKE HEIDECKE | 14 | 1977–1982 |
| ADAMSKI GUENTER | 1 | 1982 |
| MAEDGE JOACHIM | 1 | 1982 |
| PROCHNOW CLAUSself | 1 | 1982 |
Locations
| Location | Patents | Span |
|---|---|---|
| Braunschweig, DE | 8 | 1977–1982 |
| Brunswick, DE | 7 | 1978–1982 |