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Douglas M. Bowen

HI Hallmark Cards, Incorporated: 1 patents #2 of 28Top 8%
📍 Russellville, AR: #2 of 2 inventorsTop 100%
🗺 Arkansas: #137 of 562 inventorsTop 25%
Overall (2018): #434,321 of 503,207Top 90%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10089904 Flexible drive shaft for greeting cards and the like Robert A. Covey, Thomas A. Wallen, Robert R. Pavlu, Jr. 2018-10-02