Inventor
John F. Longwell
Inventor
Elmira, NY, US
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C21Dprimary
C21DModifying the physical structure of ferrous metals50%
C23CCoating metallic material50%
PatentTitleYear
5,948,177'Collet metal treating process'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999Patents assigned to HARDINGE INC (1)· patent assignee history
1999Based in Elmira, NY, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HARDINGE INC | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Elmira, New York, US | 1 | 1999 |