Andrew B. Lehnert

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Copley, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Molding process for multiple molds
- Patent number 5,234,332
- Issue date Aug 10, 1993
- The Dow Chemical Company
- Mark S. Hoenke
- B30 - PRESSES
Information Patent Grant
Apparatuses and methods for incorporating blowing agents into liqui...
- Patent number 5,154,088
- Issue date Oct 13, 1992
- The Dow Chemical Company
- Andrew B. Lehnert
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Apparatuses and methods for incorporating blowing agents into liqui...
- Patent number 5,119,668
- Issue date Jun 9, 1992
- The Dow Chemical Company
- Andrew B. Lehnert
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL