DM

Douglas A. Markelonis

PA Parker-Hannifin: 1 patents #643 of 1,656Top 40%
📍 Willowick, OH: #53 of 82 inventorsTop 65%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #2,980,671 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9852834 Adjustable center pole Jesse Thompson 2017-12-26