Herman P. Raab

📍 Indianapolis, IN: #1,702 of 5,011 inventorsTop 35%

🗺 Indiana: #10,625 of 33,936 inventorsTop 35%

Overall (All Time): #1,678,477 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4613770	Voltage monitoring circuit	—	1986-09-23
4506177	Function generator with means for selectively changing the discharge time constant	—	1985-03-19
4503431	Multiplex system for monitoring engine status	—	1985-03-05