RH

Russell M. Hartung

FS Federal Signal: 3 patents #103 of 717Top 15%
📍 Webster, NY: #687 of 1,485 inventorsTop 50%
🗺 New York: #38,318 of 115,490 inventorsTop 35%
Overall (All Time): #1,674,694 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4637579 Railroad switch mechanism 1987-01-20
RE31987 Automatic lamp bulb changer for signal lamps Larry Appleman, Warren R. Alexander 1985-09-17
4402038 Automatic lamp bulb changer for signal lamps Larry Appleman, Warren R. Alexander 1983-08-30