RC

Ralph P. Crist

UF US Air Force: 3 patents #2,296 of 16,312Top 15%
📍 Harrisburg, PA: #211 of 635 inventorsTop 35%
🗺 Pennsylvania: #19,182 of 74,527 inventorsTop 30%
Overall (All Time): #1,310,311 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4215571 Expendable bathythermograph for use under ice — 1980-08-05
4194246 Noisemaker beacon — 1980-03-18
4184209 Towed noisemaker — 1980-01-15
4183008 Noise making device — 1980-01-08