RP

Robert B. Pratt

AE Autoclave Engineers: 1 patents #9 of 18Top 50%
Overall (All Time): #3,961,095 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4778150 Non-rotating stem valve Stephen G. Ratkowski, Donald J. Kalivoda 1988-10-18