Inventor
Joseph P. Fischer
Inventor
Sturgeon Bay, WI, US
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B63Bprimary
B63BShips or other waterborne vessels33%
C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals33%
C10MLubricating compositions33%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976Patents assigned to REYNOLDS METALS CO (1)· patent assignee history
1976Based in Ingleside, TX, US· patent location history
1988Patents assigned to LUBRIZOL CORP (1)· patent assignee history
1988Based in Willowick, OH, US· patent location history
2017Patents assigned to BAY ENG INC (1)· patent assignee history
2017Based in Sturgeon Bay, WI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAY ENG INC | 1 | 2017 |
| LUBRIZOL CORP | 1 | 1988 |
| REYNOLDS METALS CO | 1 | 1976 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sturgeon Bay, WI, US | 1 | 2017 |
| Willowick, OH, US | 1 | 1988 |
| Ingleside, Texas, US | 1 | 1976 |