Inventor
Stephen H. Feairheller
Inventor
Wyndmoor, PA, US
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C14Cprimary
C14CChemical treatment of hides, skins or leather, e.g. tanning, impregnating, finishing100%
PatentTitleYear
4,413,997'Dicarbamoylsulfonate tanning agent'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983Patents assigned to US AGRICULTURE (1)· patent assignee history
1983Based in Wyndmoor, PA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| US AGRICULTURE | 1 | 1983 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wyndmoor, Pennsylvania, US | 1 | 1983 |