WF

William Brooks Frederick

PA Parker-Hannifin: 2 patents #393 of 1,656Top 25%
📍 Winona Lake, IN: #54 of 90 inventorsTop 60%
🗺 Indiana: #13,671 of 33,936 inventorsTop 45%
Overall (All Time): #1,883,231 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11066896 Expandable backup ring Timothy D. Heiman, James R. Hanson 2021-07-20
10247311 Variable height backup assembly for articulating boots — 2019-04-02