John A. Brenner

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Independence, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Protective skin on intricately molded product
- Patent number 4,349,601
- Issue date Sep 14, 1982
- Ferro Corporation
- Walter H. Brueggemann
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Forming protective skin on intricately molded product
- Patent number 4,205,028
- Issue date May 27, 1980
- Ferro Corporation
- Walter H. Brueggemann
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL