Carl I. Schwartz

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Grand Blanc, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Molded plastic stake with multiple shoulders
- Patent number 6,401,408
- Issue date Jun 11, 2002
- Plastics Research Corporation
- Carl I. Schwartz
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Injection molded arbor
- Patent number D457652
- Issue date May 21, 2002
- Plastics Research Corporation
- Carl I. Schwartz
- D25 - Building units and construction elements
Information Patent Grant
Injection molded arbor
- Patent number D452914
- Issue date Jan 8, 2002
- Plastics Research Corporation
- Carl I. Schwartz
- D25 - Building units and construction elements
Information Patent Grant
Injection molded stake
- Patent number D446868
- Issue date Aug 21, 2001
- Plastics Research Corporation
- Carl I. Schwartz
- D25 - Building units and construction elements
Information Patent Grant
Injected molded arbor
- Patent number D442700
- Issue date May 22, 2001
- Plastics Research Corporation
- Carl I. Schwartz
- D25 - Building units and construction elements
Information Patent Grant
Injection molded arbor
- Patent number D441097
- Issue date Apr 24, 2001
- Plastics Research Corporation
- Carl I. Schwartz
- D25 - Building units and construction elements
Information Patent Grant
Injected molded arbor
- Patent number D441095
- Issue date Apr 24, 2001
- Plastics Research Corp.
- Carl I. Schwartz
- D25 - Building units and construction elements