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Douglas C. Clark
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Winston-Salem, NC, US
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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus for assembling components of a smoking article
Patent number
5,088,507
Issue date
Feb 18, 1992
R. J. Reynolds Tobacco Company
Max N. Baker
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Grant
Method for making a smoking article and components for use therein
Patent number
5,052,413
Issue date
Oct 1, 1991
R. J. Reynolds Tobacco Company
Max N. Baker
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Grant
Adjustable-delivery cigarette
Patent number
4,648,413
Issue date
Mar 10, 1987
Barry L. Saintsing
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Grant
Puff control cigarette
Patent number
4,638,820
Issue date
Jan 27, 1987
R. J. Reynolds Tobacco Company
Donald L. Roberts
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Grant
Automatic accumulator for rectangular articles
Patent number
4,502,587
Issue date
Mar 5, 1985
R. J. Reynolds Tobacco Company
Douglas C. Clark
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Rotary beam chopper and scanning system
Patent number
RE31478
Issue date
Dec 27, 1983
R. J. Reynolds Tobacco Company
Colin S. McArthur
219 - Electric heating
Information
Patent Grant
Package inspection and handling system
Patent number
RE30964
Issue date
Jun 8, 1982
R. J. Reynolds Tobacco Company
Dean C. Butner
209 - Classifying, separating, and assorting solids
Information
Patent Grant
Rotary beam chopper and scanning system
Patent number
4,118,619
Issue date
Oct 3, 1978
R. J. Reynolds Tobacco Company
Colin Shaw McArthur
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Package inspection and handling system
Patent number
3,939,984
Issue date
Feb 24, 1976
Dean C. Butner
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING