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Roger A. Davison
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Denver, CO, US
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last 30 patents
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Patent Grant
Recloseable plastic bag with easy open and easy reclose profiles
Patent number
5,511,884
Issue date
Apr 30, 1996
Edward C. Bruno
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Patent Grant
Tamper evident bag with perforations on the sides and on the flanges
Patent number
5,372,428
Issue date
Dec 13, 1994
Edward C. Bruno
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Reclosable plastic bags made with open mouth and method of making o...
Patent number
5,334,127
Issue date
Aug 2, 1994
Edward C. Bruno
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL