WH

William F. Hahn

PC Pennsylvania Crusher: 1 patents #3 of 14Top 25%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Devon, PA: #38 of 139 inventorsTop 30%
🗺 Pennsylvania: #19,182 of 74,527 inventorsTop 30%
Overall (All Time): #1,307,219 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4627576 Differential rate screening Hirimie T. McAdams, Robert L. Talley 1986-12-09
4544101 Differential rate screening Hiramie T. McAdams, Robert L. Talley 1985-10-01
4544102 Differential rate screening Hiramie T. McAdams 1985-10-01
RE30778 Crusher-dryer and method of crushing Joseph P. Nigro, Frank Wallitsch, Jr. 1981-10-20