RH

Richard W. Hitzigrath

GA Grumman Aerospace: 2 patents #105 of 508Top 25%
CC Cox & Company: 1 patents #4 of 12Top 35%
📍 Sayville, NY: #21 of 79 inventorsTop 30%
🗺 New York: #38,318 of 115,490 inventorsTop 35%
Overall (All Time): #1,634,561 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5928549 Etched foil heater for low voltage applications requiring uniform heating 1999-07-27
5553461 Anti-icing heat exchanger for aircraft air cycle performance enhancement Melvin Schreiber 1996-09-10
4705100 Fuel/auxiliary oil thermal management system Stephen Black, Arnold Rosenblatt, Douglas H. Grundy 1987-11-10