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Douglas M. Bowen

HI Hallmark Cards, Incorporated: 1 patents #4 of 30Top 15%
📍 Russellville, AR: #1 of 8 inventorsTop 15%
🗺 Arkansas: #122 of 485 inventorsTop 30%
Overall (2017): #438,527 of 506,227Top 90%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9830836 Flexible drive shaft for greeting cards and the like Robert A. Covey, Thomas A. Wallen, Robert R. Pavlu, Jr. 2017-11-28