Inventor
Calvin C. Henning
Inventor
Upper St. Clair, PA, US
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus100%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988Patents assigned to PPG INDUSTRIES INC (1)· patent assignee history
1988Based in Upper St. Clair, PA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PPG INDUSTRIES INC | 1 | 1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Upper St. Clair, Pennsylvania, US | 1 | 1988 |