FP

Fred L. Penzetta

IBM: 1 patents #44,794 of 70,183Top 65%
Overall (All Time): #4,077,646 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4355937 Low shock transmissive antechamber seal mechanisms for vacuum chamber type semi-conductor wafer electron beam writing apparatus Alfred Mack, Brian C. O'Neill 1982-10-26