JP

John M. Perhach

AR Aro: 2 patents #18 of 92Top 20%
Overall (All Time): #2,345,875 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4715215 Method and apparatus for testing the fluid-tight sealed integrity of a hermetically-sealed package in a rapidly-stabilized environment Charles E. Porter, Jr., David C. Maloney 1987-12-29
4478070 Vacuum package tester and method Earl W. Clifford, Peter S. Sorce 1984-10-23