DG

David C. Grant

LS Litton Systems: 1 patents #10 of 55Top 20%
QH Quadrex Hps: 1 patents #2 of 4Top 50%
📍 Blacksburg, VA: #3 of 21 inventorsTop 15%
🗺 Virginia: #58 of 1,067 inventorsTop 6%
Overall (1989): #29,581 of 140,708Top 25%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4878931 Two stage vapor recovery system — 1989-11-07
4863271 Optical combiner for a ring laser gyro Kevin D. Grobsky, Joseph Purrazzella 1989-09-05