Alfred Doderer-Winkler

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Melsbach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for making reusable adhesive envelopes
- Patent number 5,429,576
- Issue date Jul 4, 1995
- Winkler & Dunnebier
- Alfred Doderer-Winkler
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information Patent Grant
Metal clip for closing mailing envelopes and the like
- Patent number 5,222,280
- Issue date Jun 29, 1993
- Winkler & Dunnebier Maschinenfabrik und Eisengiesserei KG
- Kurt Dunnebier
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Method and apparatus for forming clasp envelopes
- Patent number 5,186,705
- Issue date Feb 16, 1993
- Winkler & Dunnebier
- Alfred Doderer-Winkler
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information Patent Grant
Method and apparatus for the attachment of clasps to letter envelopes
- Patent number 4,994,010
- Issue date Feb 19, 1991
- Winkler & Dunnebier Maschinenfabrik und Eisengiesserei KG
- Alfred Doderer-Winkler
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD