A. Robert Humbert

📍 Marion, IN: #56 of 118 inventorsTop 50%

🗺 Indiana: #19,404 of 33,936 inventorsTop 60%

Overall (All Time): #4,094,073 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4281368	Keyhole illuminating apparatus	—	1981-07-28