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James B. Swett
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Barrington, RI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Condiment shaker
Patent number
4,488,667
Issue date
Dec 18, 1984
Dart Industries Inc.
James B. Swett
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Watering can
Patent number
4,392,594
Issue date
Jul 12, 1983
Dart Industries Inc.
James B. Swett
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Openable curvilinear openings of different geometrical shapes
Patent number
4,008,526
Issue date
Feb 22, 1977
Dart Industries Inc.
James B. Swett
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Patent Grant
Sealed container
Patent number
3,957,097
Issue date
May 18, 1976
Dart Industries Inc.
James B. Swett
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL