Inventor
Mary B. Donovan
Inventor
St. Paul, MN, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B24Dprimary
B24DTools for grinding, buffing or sharpening29%
Y10TTechnical subjects covered by former us classification24%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds12%
A47LDomestic washing or cleaning6%
B24BMachines, devices, or processes for grinding or polishing6%
B29DProducing particular articles from plastics or from substances in a plastic state6%
B29LIndexing scheme associated with subclass b29c, relating to particular articles6%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form6%
D04HMaking textile fabrics, e.g. from fibres or filamentary material6%
PatentTitleYear
7,628,829'Abrasive article and method of making and using the same'20096,352,567'Nonwoven abrasive articles and methods'20025,573,844'Conformable surface finishing article and method for manufacture of same'19965,492,550'Surface treating articles and methods of making same'19965,306,319'Surface treating articles and methods of making same'19944,587,148'Flocked floor mat with foraminous layer'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1996Patents assigned to MINNESOTA MINING & MFG (4)· patent assignee history
1986–2009Based in St. Paul, MN, US· patent location history
2002–2009Patents assigned to 3M INNOVATIVE PROPERTIES CO (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MINNESOTA MINING & MFG | 4 | 1986–1996 |
| 3M INNOVATIVE PROPERTIES CO | 2 | 2002–2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| St. Paul, Minnesota, US | 6 | 1986–2009 |