DH

David J. Harak

TW The Charles Machine Works: 1 patents #133 of 211Top 65%
📍 Madill, OK: #9 of 12 inventorsTop 75%
🗺 Oklahoma: #6,781 of 12,736 inventorsTop 55%
Overall (All Time): #3,096,337 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8674894 Antenna design Sean A. McLain 2014-03-18