Dennis B. Kupka

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Albion, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Adjustable valve stem apparatus for valve gated injection molding d...
- Patent number 5,183,069
- Issue date Feb 2, 1993
- Eastman Kodak Company
- Ralph O. Berg
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Adjustable valve stem apparatus for valve gated injection molding d...
- Patent number 5,080,575
- Issue date Jan 14, 1992
- Eastman Kodak Company
- Ralph O. Berg
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL