FK

Fred L. Katzmann

EI Electro Scientific Industries: 1 patents #145 of 314Top 50%
📍 Port Jefferson, NY: #31 of 198 inventorsTop 20%
🗺 New York: #23,203 of 115,490 inventorsTop 25%
Overall (All Time): #887,835 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5783805 Electrothermal conversion elements, apparatus and methods for use in comparing, calibrating and measuring electrical signals 1998-07-21
5378873 Electrothermal conversion elements, apparatus and methods for use in comparing, calibrating and measuring electrical signals 1995-01-03
4901006 Method and apparatus for AC signal comparison, calibration and measurement Archie J. Harrison, Jr. 1990-02-13
RE32762 Adjustable instrument case Dale W. Gruye 1988-10-11
4695793 Resistive sensing thermal device for current measurement 1987-09-22
4659910 AC-DC transfer standard temperature sensor reversal error compensation circuit Archie J. Harrison, Jr., Jerry Harper 1987-04-21