JH

John F. Holz

HA Harnischfeger: 1 patents #41 of 121Top 35%
📍 Milwaukee, WI: #1,069 of 2,770 inventorsTop 40%
🗺 Wisconsin: #17,084 of 40,088 inventorsTop 45%
Overall (All Time): #2,278,894 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5518076 Grease applicator for a drill shaft Ronald Klassen 1996-05-21
4243120 Retractable boarding ladder Dexter Roydon Pratt 1981-01-06