DW

David Welty

HI Hallmark Cards, Incorporated: 1 patents #130 of 288Top 50%
📍 Shawnee, KS: #239 of 399 inventorsTop 60%
🗺 Kansas: #6,307 of 12,005 inventorsTop 55%
Overall (All Time): #3,608,294 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D421254 System for automated performance of sound recordings Michael J. Bigg, Jimmy J. D. Leeper 2000-02-29