JF

John W. Frech

WE Westinghouse Electric: 3 patents #1,062 of 5,139Top 25%
UF US Air Force: 1 patents #6,190 of 16,312Top 40%
📍 Baltimore, MD: #998 of 4,923 inventorsTop 25%
🗺 Maryland: #8,004 of 35,612 inventorsTop 25%
Overall (All Time): #1,289,850 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5491468 Identification system and method with passive tag David F. Everett, Theodore Wright, Kelly M. Rodriquez 1996-02-13
4430642 Digital-to-analog converter Benjamin Weigand 1984-02-07
4352160 Statistical method of measuring the differential linearity of an analog/digital converter using a pseudo-random triangle wave stimulus Lonnie C. Au 1982-09-28
4342983 Dynamically calibrated successive ranging A/D conversion system and D/A converter for use therein Benjamin Weigand 1982-08-03