Inventor
John J. Mailand
Inventor
Chisago, MN, US
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E06Bprimary
E06BFixed or movable closures for openings in buildings, vehicles, fences or like enclosures in general, e.g. doors, windows, blinds, gates67%
B24DTools for grinding, buffing or sharpening33%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984Patents assigned to MINNESOTA MINING & MFG (3)· patent assignee history
1984Based in Chisago, MN, US· patent location history
1984Based in Wyoming, MN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MINNESOTA MINING & MFG | 3 | 1984 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chisago, Minnesota, US | 2 | 1984 |
| Wyoming, Minnesota, US | 1 | 1984 |