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US5549538A
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Process for manufacturing flap-style square-bottom bags
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US5407279A
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Multi-ply automatic-style bag with internal flap or flaps
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US5335996A
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Openable bag construction
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US5163756A
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Bag construction with auxiliary flap
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US5401102A
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Bag with internal protective flap
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CA2049549A1
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Window bag assembly with content indicia
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CA2049550A1
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Method of making window bag assembly with content indicia
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CA2029672A1
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Bag with auxiliary pocket and viewing window
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US5009518A
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Window-style bag with integral coupon
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US4991980A
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Bag with auxiliary pocket and viewing window
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US5306512A
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Method and means for enhancing microwave popping of popcorn
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US4798574A
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Method of making a bag with a barrier material
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CA1195296A
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Tubular bag and method of making the same
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US4493685A
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Method of making tubular bag
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US4461031A
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Tubular bag and method of making the same
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CA1083872A
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Method of making a pad of stacked bags
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CA1057242A
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Self-closing bag
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US4071186A
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Self-closing bag
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US3974958A
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Header bag
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US3974959A
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Bag having modified closure flaps
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