EH

Elder F. Hirsch

📍 Greeley, CO: #97 of 249 inventorsTop 40%
🗺 Colorado: #17,029 of 40,980 inventorsTop 45%
Overall (All Time): #2,373,574 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4209033 Vacuum breaker valve Ronald Hirsch 1980-06-24
4206777 Vacuum breaker valve and stem packing assembly Ronald Hirsch 1980-06-10