John A. Heveron

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Champlin, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Shock shield for shipping cases
- Patent number 5,232,092
- Issue date Aug 3, 1993
- Minnesota Mining and Manufacturing Company
- Davis W. Chamberlin
- G11 - INFORMATION STORAGE
Information Patent Grant
Erasure preventing button with a planar surface to control inadvert...
- Patent number 5,132,862
- Issue date Jul 21, 1992
- Minnesota Mining and Manufacturing Company
- John A. Heveron
- G11 - INFORMATION STORAGE