Charles Treffner

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Belmore, Sydney, New South Wales, AU

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for mould-forming expanded plastics form blocks
- Patent number 4,695,416
- Issue date Sep 22, 1987
- Peter Treffner
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Pulverizer
- Patent number 4,399,948
- Issue date Aug 23, 1983
- Peter Treffner
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Multi-bladed cutting apparatus
- Patent number 4,222,299
- Issue date Sep 16, 1980
- Peter Treffner
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Method and apparatus for cutting plastics materials
- Patent number 4,018,116
- Issue date Apr 19, 1977
- Peter Treffner
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Roll slitter
- Patent number 4,016,785
- Issue date Apr 12, 1977
- Charles Treffner
- B26 - HAND CUTTING TOOLS CUTTING SEVERING