Chester Groby

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Nol, SW

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Patents Grantslast 30 patents

Information Patent Grant
Process for welding together a cover and a vessel of thermoplastic...
- Patent number 4,063,977
- Issue date Dec 20, 1977
- Aktiebolaget Tudor
- Chester Groby
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Apparatus for welding together a cover and a vessel of thermoplasti...
- Patent number 4,056,425
- Issue date Nov 1, 1977
- Aktiebolaget Tudor
- Chester Groby
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL