Inventor
John P. Mann
Inventor
Spring City, PA, US
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A47Gprimary
A47GHousehold or table equipment20%
E21CMining or quarrying20%
F21SNon-portable lighting devices20%
F21VFunctional features or details of lighting devices or systems thereof20%
F21WIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to uses or applications of lighting devices or systems20%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987Patents assigned to DRESSER IND (1)· patent assignee history
1987Based in Worthington, OH, US· patent location history
1996Based in Spring City, PA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DRESSER IND | 1 | 1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Spring City, Pennsylvania, US | 1 | 1996 |
| Worthington, OH, US | 1 | 1987 |