Inventor
Kathryn M. Spurgeon
Inventor
River Falls, WI, US
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Tprimary
Y10TTechnical subjects covered by former us classification15%
B24DTools for grinding, buffing or sharpening12%
B29DProducing particular articles from plastics or from substances in a plastic state10%
C09KMaterials for miscellaneous applications, not provided for elsewhere8%
G02BOptical elements, systems or apparatus8%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form5%
B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general5%
E01FAdditional work, such as equipping roads or the construction of platforms, helicopter landing stages, signs, snow fences, or the like5%
G09FDisplaying5%
B29CShaping or joining of plastics3%
PatentTitleYear
11,105,964Cube corner sheeting having optically variable marking202110,564,331Cube corner sheeting having optically variable marking202010,401,541Article having composite lenticular microstructures and method of making20199,523,919'Methods for making differentially pattern cured microstructured articles'20169,463,601'Cube corner sheeting having optically variable marking'20169,366,790'Retroreflective articles having composite cube-corners and methods of making'20168,354,160'Articles having durable hydrophobic surfaces'20137,745,545'Bonding compositions'20107,485,371'Bonding compositions'20096,849,314'Fluoropolymer blends and multilayer articles'20055,714,259'Precisely shaped abrasive composite'19985,690,705'Method of making a coated abrasive article comprising precisely shaped abrasive composites'19975,667,541'Coatable compositions abrasive articles made therefrom, and methods of making and using same'19975,628,952'Precisely shaped particles and method of making the same'19975,549,962'Precisely shaped particles and method of making the same'19965,500,273'Abrasive articles comprising precisely shaped particles'19965,435,816'Method of making an abrasive article'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–1998Patents assigned to MINNESOTA MINING & MFG (7)· patent assignee history
1995–2021Based in River Falls, WI, US· patent location history
2005–2021Patents assigned to 3M INNOVATIVE PROPERTIES CO (10)· patent assignee history
2009Based in Riverfalls, WI, US· patent location history
2013–2016Patents assigned to SPURGEON KATHRYN M (4)· patent assignee history
2016Patents assigned to BENSON JR OLESTER (3)· patent assignee history
2016Patents assigned to BAY RANDY S (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| 3M INNOVATIVE PROPERTIES CO | 10 | 2005–2021 |
| MINNESOTA MINING & MFG | 7 | 1995–1998 |
| SPURGEON KATHRYN Mself | 4 | 2013–2016 |
| BENSON JR OLESTER | 3 | 2016 |
| BAY RANDY S | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| River Falls, WI, US | 16 | 1995–2021 |
| Riverfalls, WI, US | 1 | 2009 |