JG

Jack E. Gretta

WC Whelen Engineering Company: 1 patents #34 of 52Top 70%
Overall (All Time): #4,116,917 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D256104 Aircraft warning light Robert A. Ferenc 1980-07-29