PH

Peter R. Helfet

PS Plasmon Data Systems: 1 patents #1 of 3Top 35%
Overall (1989): #69,816 of 140,708Top 50%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4866696 Pre-formatted moth-eye type optical data storage member and method Robert Longman, Philip A. Storey 1989-09-12