Inventor

NYMAN FREDERICK R

US4 patents

Patents

4 patents

US4262875AApr 21, 1981

Information record stampers

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US4383961AMay 17, 1983

Drying process for video discs

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US4472337ASep 18, 1984

Video disc processing

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US4327048AApr 27, 1982

High density information disc processing

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