JH

James D. Halsey

SM Sperry Marine: 3 patents #4 of 45Top 9%
📍 Charlottesville, VA: #308 of 1,304 inventorsTop 25%
🗺 Virginia: #7,477 of 34,511 inventorsTop 25%
Overall (All Time): #1,228,569 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D689238 Lamp chassis 2013-09-03
5017793 Optically driven RF generator Robert F. Riggs, Lawrence H. Gilligan, David W. Gerdt 1991-05-21
4822991 Optically switched microwave pulse generator Robert F. Riggs, Lawrence H. Gilligan 1989-04-18
4806933 CW and pulse capable crystal video receiver Ernest S. Gasser 1989-02-21