Robert P. Freese

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Lake Elmo, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Multi-layer amorphous magneto optical recording medium
- Patent number 4,569,881
- Issue date Feb 11, 1986
- Minnesota Mining and Manufacturing Company
- Robert P. Freese
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium
- Patent number 4,539,572
- Issue date Sep 3, 1985
- Minnesota Mining and Manufacturing Company
- William B. Robbins
- G11 - INFORMATION STORAGE