DH

David Hayes

PL Plasma Antennas Limited: 5 patents #1 of 3Top 35%
📍 St. Ives, CA: #1 of 1 inventorsTop 100%
Overall (All Time): #835,550 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10283465 Three terminal solid state plasma monolithic microwave integrated circuit Richard Brooke Keeton, Ruth HARPER 2019-05-07
8284102 Displaced feed parallel plate antenna Richard Brooke Keeton 2012-10-09
8159394 Selectable beam antenna Richard Brooke Keeton 2012-04-17
7271683 Electromagnetic switch element Richard Brooke Keeton 2007-09-18
6825814 Antenna 2004-11-30
D334268 Detachable front wheel for a boat 1993-03-23