Inventor
Thomas J. Dahlin
Inventor
St. Louis Park, MN, US
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Vprimary
G06VImage or video recognition or understanding19%
G06KGraphical data reading17%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for10%
E01FAdditional work, such as equipping roads or the construction of platforms, helicopter landing stages, signs, snow fences, or the like10%
Y10TTechnical subjects covered by former us classification8%
G08GTraffic control systems6%
B29CShaping or joining of plastics4%
B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering4%
G02BOptical elements, systems or apparatus4%
G08CTransmission systems for measured values, control or similar signals4%
PatentTitleYear
10,896,340Encoding data in symbols disposed on an optically active article202110,706,311Increasing dissimilarity of characters disposed on an optically active article202010,586,446Sign to vehicle identification system202010,532,704Retroreflective articles having a machine-readable code202010,339,804Sign to vehicle identification system201910,081,314Retroreflective articles having a machine-readable code20189,937,879High contrast retroreflective sheeting and license plates20189,471,863'Retroreflective articles having a machine-readable code'20169,145,098'High contrast retroreflective sheeting and license plates'20159,025,828'Methods and systems for enhancing read accuracy in an automated license plate reader system'20156,468,678'Conformable magnetic articles for use with traffic bearing surfaces methods of making same systems including same and methods of use'20026,022,207'Rapid prototyping system with filament supply spool monitoring'20005,968,561'High performance rapid prototyping system'19995,853,846'Conformable magnetic articles underlaid beneath traffic-bearing surfaces'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2018Based in St. Louis Park, MN, US· patent location history
1999–2000Patents assigned to STRATASYS INC (2)· patent assignee history
2002–2021Patents assigned to 3M INNOVATIVE PROPERTIES CO (11)· patent assignee history
2015Patents assigned to DAHLIN THOMAS J (2)· patent assignee history
2015Patents assigned to FLEMING PATRICK R (2)· patent assignee history
2015Patents assigned to KAREL GERALD L (1)· patent assignee history
2018–2021Based in Ironwood, MI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| 3M INNOVATIVE PROPERTIES CO | 11 | 2002–2021 |
| DAHLIN THOMAS Jself | 2 | 2015 |
| FLEMING PATRICK R | 2 | 2015 |
| STRATASYS INC | 2 | 1999–2000 |
| KAREL GERALD L | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| St. Louis Park, Minnesota, US | 8 | 1998–2018 |
| Ironwood, MI, US | 6 | 2018–2021 |