Helmuth Theysohn

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3 Hannover, DT

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Patents Grantslast 30 patents

Information Patent Grant
Flat-sheet injection head
- Patent number 4,060,368
- Issue date Nov 29, 1977
- Helmuth Theysohn
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Stripping and depositing mechanism for calendered sheets
- Patent number 4,018,550
- Issue date Apr 19, 1977
- Helmuth Theysohn
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL