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Flat bottom bag
Patent #: 3970241
Issued on: 07/20/1976
Inventor: Hanson
Spot blocked thermoplastic film laminate
Patent #: 3973063
Issued on: 08/03/1976
Inventor: Clayton
Package assembly and method for storing and microwave heating of food
Patent #: 4555605
Issued on: 11/26/1985
Inventor: Brown , et al.
Plastic bag package
Patent #: 4567984
Issued on: 02/04/1986
Inventor: Gietman, Jr.
Container and popcorn ingredient for microwave use
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Issued on: 02/18/1986
Inventor: Cage , et al.
Dispenser package for a collection of inter-connected severable sheet material and method of dispensing
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Issued on: 04/22/1986
Inventor: Blythe , et al.
Horseshoe folded and center unwound plastic bags
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Issued on: 07/01/1986
Inventor: Benoit
Package assembly and method for storing and microwave heating of food
Patent #: 4612431
Issued on: 09/16/1986
Inventor: Brown , et al.
Package assembly with heater panel and method for storing and microwave heating of food utilizing same
Patent #: 4661671
Issued on: 04/28/1987
Inventor: Maroszek
Gusseted bags with reclosure features
Patent #: 4736450
Issued on: 04/05/1988
Inventor: Van Erden , et al.
Package insert for the separation of layers of articles
Patent #: 4739884
Issued on: 04/26/1988
Inventor: Duplessy
Package assembly and method for storing and microwave heating of food
Patent #: 4742203
Issued on: 05/03/1988
Inventor: Brown , et al.
Process of fabrication of drum bodies having rolling hoops and the drum bodies so produced
Patent #: 4781301
Issued on: 11/01/1988
Inventor: Le Bret , et al.
Formed polymer film package for microwave cooking
Patent #: 4808421
Issued on: 02/28/1989
Inventor: Mendenhall , et al.
Free-standing plastic bag
Patent #: 4848930
Issued on: 07/18/1989
Inventor: Williams , et al.
Bag roll
Patent #: 4849090
Issued on: 07/18/1989
Inventor: Case , et al.
Litter disposal mechanism
Patent #: 4850508
Issued on: 07/25/1989
Inventor: Lee
Bags
Patent #: 4890736
Issued on: 01/02/1990
Inventor: Johannes
Self-expanding flexible pouch
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Issued on: 02/06/1990
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Roll of thermoplastic bags
Patent #: 4904092
Issued on: 02/27/1990
Inventor: Campbell, et al.
Thin film container with removable lid and related process
Patent #: 4930644
Issued on: 06/05/1990
Inventor: Robbins, III
Double-section plastic produce bag
Patent #: 4938608
Issued on: 07/03/1990
Inventor: Espinosa
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Issued on: 09/03/1991
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Easy opening microwavable package
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Issued on: 10/29/1991
Inventor: Mendenhall
Package assembly and method for storing and microwave heating of food
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Issued on: 08/18/1992
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Animal waste bag dispenser
Patent #: 5167377
Issued on: 12/01/1992
Inventor: Chalmers
Gift wrapping
Patent #: 5186988
Issued on: 02/16/1993
Inventor: Dixon
Flat bottomed stand-up microwave corn popping bag
Patent #: 5195829
Issued on: 03/23/1993
Inventor: Watkins, et al.
Tubular bag with shock absorber band tube for making such bag, and method for its production
Patent #: 5205650
Issued on: 04/27/1993
Inventor: Rasmussen
Refuse bags and methods of manufacture thereof
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Issued on: 09/21/1993
Inventor: Greyvenstein
Foil bag
Patent #: 5290104
Issued on: 03/01/1994
Inventor: Sengewald
Sealable square bottom container apparatus
Patent #: 5314252
Issued on: 05/24/1994
Inventor: Happ
Zippered bag and method of forming the same
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Issued on: 11/15/1994
Inventor: Kuge, et al.
Sandwich bag
Patent #: 5507579
Issued on: 04/16/1996
Inventor: Sorenson
Web materials exhibiting elastic-like behavior
Patent #: 5518801
Issued on: 05/21/1996
Inventor: Chappell, et al.
Flexible container
Patent #: 5524990
Issued on: 06/11/1996
Inventor: Buck
Bag for liquids, pastes, or granulates and method of manufacturing
Patent #: 5547284
Issued on: 08/20/1996
Inventor: Imer
Flexible thermoplastic containers having a visual pattern thereon
Patent #: 5554093
Issued on: 09/10/1996
Inventor: Porchia, et al.
Adhesive closure for flexible bag
Patent #: 5575747
Issued on: 11/19/1996
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Closure arrangment having a peelable seal
Patent #: 5605594
Issued on: 02/25/1997
Inventor: May
Flexible thermoplastic containers having visual pattern thereon
Patent #: 5618111
Issued on: 04/08/1997
Inventor: Porchia, et al.
Web materials exhibiting elastic-like behavior and soft, cloth-like texture
Patent #: 5650214
Issued on: 07/22/1997
Inventor: Anderson, et al.
Can body having sidewall grooves
Patent #: 5699932
Issued on: 12/23/1997
Inventor: Claydon, et al.
Bag supply unit and waste receptacle
Patent #: 5730312
Issued on: 03/24/1998
Inventor: Hung
Stretchable gift wrap
Patent #: 5743458
Issued on: 04/28/1998
Inventor: French
Pleated paper wrapper for elongate objects
Patent #: 5743460
Issued on: 04/28/1998
Inventor: Capy, et al.
Continuous roll of plastic bags
Patent #: 5921390
Issued on: 07/13/1999
Inventor: Simhaee
Disposable bags and dispenser for feminine hygiene items
Patent #: 5950818
Issued on: 09/14/1999
Inventor: Paulsen
Automatic ventilating system for plastic bags
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Issued on: 09/05/2000
Inventor: DeMatteis, et al.
Flexible, cushioned, high surface area food storage and preparation bags Patent #: 6150647
Issued on: 11/21/2000
Inventor: Anderson, et al.
June 18, 2019. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
