DM

Donald K. Murphy

HL Hughes Electronics Limited: 2 patents #325 of 1,474Top 25%
HA Hughes Aircraft: 1 patents #1,260 of 2,963Top 45%
📍 Placentia, CA: #134 of 422 inventorsTop 35%
🗺 California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,634,764 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5941692 Tuned resonant oscillating mass inflation pump and method of extracting electrical energy therefrom Ross D. Olney, William S. Griffin 1999-08-24
5934882 Electrical generator system having a tuned resonant oscillating mass Ross D. Olney, William S. Griffin 1999-08-10
5707215 Tuned resonant oscillating mass inflation pump and method of extracting electrical energy therefrom Ross D. Olney, William S. Griffin 1998-01-13