SC

Stephen P. Caldwell

NG Northrop Grumman: 4 patents #207 of 2,250Top 10%
UF US Air Force: 4 patents #1,661 of 16,312Top 15%
WE Westinghouse Electric: 3 patents #1,062 of 5,139Top 25%
📍 Linthicum, MD: #5 of 50 inventorsTop 10%
🗺 Maryland: #2,486 of 35,612 inventorsTop 7%
Overall (All Time): #425,128 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
7570201 Radar exciter including phase compensation of the waveform generator Grant H. Watkins 2009-08-04
6081226 Multi-mode radar exciter Francis W. Hopwood, Thomas K. Lisle, Jr., Wayne Weigle 2000-06-27
5854604 High-power waveform generator John X. Przybysz, Donald L. Miller, Andrew Hostetler Miklich 1998-12-29
5661439 Method and apparatus for cancelling phase noise Grant H. Watkins, Matthew Philip Martello, John P. Muhlbaier 1997-08-26
5548839 Wide band radio-frequency converter having multiple use of intermediate frequency translators Marvine Harris Jr., Demetrios J. Matsakis, Ronald W. Minarik, Kenneth M. Schmidt, Benjamin Weigand +2 more 1996-08-20
5467091 Radar and other communication systems having large bandwidth and large dynamic range Grant H. Watkins 1995-11-14
5151661 Direct digital FM waveform generator for radar systems Thomas D. Merrell, Jr. 1992-09-29
5023572 Voltage-controlled oscillator with rapid tuning loop and method for tuning same David S. Korn, Francis W. Hopwood 1991-06-11
4748399 Multichannel phase noise measurement system James T. Haynes, Michael S. Buchalter 1988-05-31
4639688 Wide-band phase locked loop amplifier apparatus Francis W. Hopwood, Martin Decker 1987-01-27
4580107 Phase lock acquisition system having FLL for coarse tuning and PLL for fine tuning Martin Decker, Robert A. Jelen 1986-04-01
4546268 Narrow pulsewidth pulse generator circuit utilizing NPN microwave transistors David Raymond Pedersen 1985-10-08