EJ

Earl W. Shaffer, Jr.

FS Federal Signal: 2 patents #5 of 66Top 8%
📍 Lansdale, PA: #11 of 39 inventorsTop 30%
🗺 Pennsylvania: #313 of 3,759 inventorsTop 9%
Overall (1989): #28,645 of 140,708Top 25%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4879517 Temperature compensation for potentiometrically operated ISFETS James G. Connery 1989-11-07
4851104 Instrument for potentiometric electrochemical measurements James G. Connery 1989-07-25