HJ

Hanns-Juergen Diederichs, Jr.

📍 Grande, DE: #1 of 1 inventorsTop 100%
Overall (All Time): #2,348,413 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D287529 Emergency pyrotechnic signalling device 1986-12-30
4592159 Device for signaling 1986-06-03