Inventor
Joseph B. Havrill
Inventor
Pittsburgh, PA, US
Overview
Patents· 1 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 them100%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993Patents assigned to MEDRAD INC (1)· patent assignee history
1993Based in Pittsburgh, PA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MEDRAD INC | 1 | 1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Pittsburgh, Pennsylvania, US | 1 | 1993 |