David R.E. Thomas

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Toronto, CA

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Patents Grantslast 30 patents

Information Patent Grant
Cigarette or tobacco package with re-usable aroma releasant for mul...
- Patent number 5,938,018
- Issue date Aug 17, 1999
- Rothmans, Benson & Hedges Inc.
- Benedict Keaveney
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE