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Edward F. O'Brien
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Northampton, MA, US
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last 30 patents
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Patent Grant
Vertical form, fill and seal packaging machine with improved side s...
Patent number
4,171,605
Issue date
Oct 23, 1979
Package Machinery Company
Roger L. Putnam
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Tubeless vertical form, fill and seal packaging machine with improv...
Patent number
4,136,505
Issue date
Jan 30, 1979
Package Machinery Company
Roger L. Putnam
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Short product drop vertical form, fill and seal packaging machine
Patent number
4,118,913
Issue date
Oct 10, 1978
Package Machinery Company
Roger L. Putnam
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Vertical form, fill and seal packaging machine with improved back-u...
Patent number
4,043,098
Issue date
Aug 23, 1977
Package Machinery Company
Roger L. Putnam
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Sealing jaw mechanism for package making machine
Patent number
4,040,237
Issue date
Aug 9, 1977
Package Machinery Company
Edward F. O'Brien
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Sealing jaw mechanism for package making machine
Patent number
3,986,921
Issue date
Oct 19, 1976
Package Machinery Company
Roger L. Putnam
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL