HK

Howard S. Kerr

SL Spar Aerospace Limited: 1 patents #9 of 54Top 20%
📍 Scarborough, CA: #313 of 629 inventorsTop 50%
Overall (All Time): #4,119,490 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4221966 Infrared surveillance system John R. Kettlewell, John B. Driffield, deceased, Margaret D. Driffield, administrator 1980-09-09