JH

John M. Helft

📍 Eagle Bridge, NY: #3 of 3 inventorsTop 100%
🗺 New York: #48,759 of 115,490 inventorsTop 45%
Overall (All Time): #2,364,737 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4422068 Intrusion alarm system for preventing actual confrontation with an intruder Walter O. Noyes 1983-12-20
4290059 Liquid level alarm for remotely indicating when less than a predetermined quantity of fuel oil remains in a storage tank and method for installing the same Walter O. Noyes 1981-09-15