HH

Henry L. Helmar

HS Hanchett Entry Systems: 1 patents #34 of 49Top 70%
📍 Phoenix, AZ: #3,656 of 6,660 inventorsTop 55%
🗺 Arizona: #18,403 of 32,909 inventorsTop 60%
Overall (All Time): #3,734,452 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5484180 Electric strike mechanism 1996-01-16