John F. Sherwood

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Richmond, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
High void volume/enhanced firmness tobacco rod and method of proces...
- Patent number 4,936,920
- Issue date Jun 26, 1990
- Philip Morris Incorporated
- Gus D. Keritsis
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Grant
Method and apparatus for producing cigarette filler
- Patent number 4,696,312
- Issue date Sep 29, 1987
- Philip Morris Incorporated
- Louis R. Turano
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Grant
Firmness control in a cigarette maker
- Patent number 4,326,542
- Issue date Apr 27, 1982
- Philip Morris Incorporated
- Tibor S. Laszlo
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES