Inventor
Ralph Grabowski
Inventor
Andover, MA, US
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Bprimary
G01BMeasuring length, thickness or similar linear dimensions67%
G02BOptical elements, systems or apparatus33%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988Patents assigned to JENNER DOLAN INC (1)· patent assignee history
1988–1993Based in Andover, MA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| JENNER DOLAN INC | 1 | 1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Andover, Massachusetts, US | 2 | 1988–1993 |