David S. Ballantine, Jr.

TR Transducer Research: 1 patents #4 of 9Top 45%

📍 DeKalb, IL: #94 of 159 inventorsTop 60%

🗺 Illinois: #48,934 of 84,256 inventorsTop 60%

Overall (All Time): #3,798,295 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5315673	Optical waveguide vapor sensor	Joseph R. Stetter, G. Jordan Maclay	1994-05-24