Inventor
Peter J. Fritz
Inventor
Minneapolis, MN, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B24Dprimary
B24DTools for grinding, buffing or sharpening33%
B24BMachines, devices, or processes for grinding or polishing22%
B23BTurning17%
Y10TTechnical subjects covered by former us classification17%
LOC0811%
PatentTitleYear
D0610430'Stem for a power tool attachment'2010D0606827'Small, portable power tool'20097,182,682'Apparatus for making a surface treating article'20077,121,924'Abrasive articles, and methods of making and using the same'20066,863,596'Abrasive article'20056,817,935'Method of making a surface treating article and such a surface treating article'20046,743,085'Rotating back up abrasive disc assembly'20046,609,951'Method of making a surface treating article'20034,842,619'Glass polishing article'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989Patents assigned to MINNESOTA MINING & MFG (1)· patent assignee history
1989Based in St. Louis Park, MN, US· patent location history
2003–2010Patents assigned to 3M INNOVATIVE PROPERTIES CO (8)· patent assignee history
2003–2010Based in Minneapolis, MN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| 3M INNOVATIVE PROPERTIES CO | 8 | 2003–2010 |
| MINNESOTA MINING & MFG | 1 | 1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Minneapolis, Minnesota, US | 8 | 2003–2010 |
| St. Louis Park, Minnesota, US | 1 | 1989 |