Leonard R. Swanson

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Woodbury, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Data storage diskette with modified hub
- Patent number 6,215,620
- Issue date Apr 10, 2001
- Imation Corp.
- William M. Dunbar
- G11 - INFORMATION STORAGE
Information Patent Grant
Diskette liner
- Patent number 5,398,151
- Issue date Mar 14, 1995
- Minnesota Mining and Manufacturing Company
- Leonard R. Swanson
- G11 - INFORMATION STORAGE
Information Patent Grant
Composite sheet material for storage envelopes for magnetic recordi...
- Patent number 4,774,272
- Issue date Sep 27, 1988
- Minnesota Mining and Manufacturing Company
- Craig F. Lamphere
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL