John Stevens

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Harlow, GB

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Patents Grantslast 30 patents

Information Patent Grant
Isopropylbenzene derivatives
- Patent number 4,350,644
- Issue date Sep 21, 1982
- Minnesota Mining and Manufacturing Company
- John Stevens
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Suppression of spark discharges from negatively triboelectrically c...
- Patent number 4,328,280
- Issue date May 4, 1982
- Minnesota Mining and Manufacturing Company
- John S. Huizinga
- C07 - ORGANIC CHEMISTRY