the tamper element being retracted by heat or by heat and pressure

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Patents Grantslast 30 patents

Information Patent Grant
Cutter cup having seal cutter and depressor fin
- Patent number 9,376,240
- Issue date Jun 28, 2016
- Tuf-Tite, Inc.
- Greg McMurray
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Bottle finish and closure combination with venting slots
- Patent number 4,392,055
- Issue date Jul 5, 1983
- Owens-Illinois, Inc.
- Ralph H. Whitney
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Tamperproof closure
- Patent number 4,333,577
- Issue date Jun 8, 1982
- Owens-Illinois, Inc.
- George V. Mumford
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
3929246
- Patent number 3,929,246
- Issue date Dec 30, 1975
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
3587898
- Patent number 3,587,898
- Issue date Jun 28, 1971
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL