SP

Stanley J. Pratt

BL Barr & Stroud Limited: 2 patents #10 of 58Top 20%
Overall (All Time): #2,331,971 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4848886 Submarine periscope systems 1989-07-18
4771721 Submarine periscope systems 1988-09-20