Inventor
Rolf A. B. Thern
Inventor
Sollentuna, SE
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Jprimary
B41JTypewriters33%
G05BControl or regulating systems in general33%
G08BSignalling systems, e.g. personal calling systems33%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982Patents assigned to PHILIPS CORP (1)· patent assignee history
1982Based in Jarfalla, SE· patent location history
1987Patents assigned to HOLMGREN HANS G (1)· patent assignee history
1987Patents assigned to THERN ROLF A B (1)· patent assignee history
1987Based in Sollentuna, SE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HOLMGREN HANS G | 1 | 1987 |
| PHILIPS CORP | 1 | 1982 |
| THERN ROLF A Bself | 1 | 1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sollentuna, SE | 1 | 1987 |
| Jarfalla, SE | 1 | 1982 |