JG

John E. Grandfield

DL Draper Laboratory: 7 patents #99 of 921Top 15%
GS Gte Government Systems: 3 patents #16 of 97Top 20%
UF University Of South Florida: 2 patents #543 of 1,794Top 35%
GS Gte Service: 1 patents #10 of 63Top 20%
📍 St. Petersburg, FL: #91 of 1,383 inventorsTop 7%
🗺 Florida: #4,846 of 67,251 inventorsTop 8%
Overall (All Time): #456,474 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
10819321 Switchable active balanced-to-unbalanced phase shifter David Manuel Zaiden, Thomas Weller, Gokhan Mumcu 2020-10-27
10490897 Frequency selective surface antenna element Jacob P. Treadway, Amy Duwel 2019-11-26
9899746 Electronically steerable single helix/spiral antenna Phillip Hulse, Matthew John Shea, Michael P. Abban 2018-02-20
9748642 Low-profile loop antenna 2017-08-29
9337533 Ground plane meandering in Z direction for spiral antenna Phillip Hulse 2016-05-10
8922452 Periodic spiral antennas Jonathan Michael O'Brien, Thomas Weller, Gokhan Mumcu 2014-12-30
8629811 Dual band electrically small tunable antenna Michael P. Abban, Brad D. Gaynor 2014-01-14
5802452 Multiple channel radio frequency repeater John Collins, William Hewett 1998-09-01
4791377 Direct frequency synthesizer James T. Campbell, Carl H. Gundel, William Shillue 1988-12-13
4757287 Voltage tunable half wavelength microstrip filter William Shillue 1988-07-12
4727595 Local oscillator feed for mixer array Leonard L. Blaisdell 1988-02-23