Zygmunt Grant Kafarowski

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Concord, Ontario, CA

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Patents Grantslast 30 patents

Information Patent Grant
Concrete insert for attaching wall panels to building structures
- Patent number 5,890,340
- Issue date Apr 6, 1999
- Zygmunt Grant Kafarowski
- E04 - BUILDING
Information Patent Grant
Mortar plow for use in the manufacture of brick wall panels
- Patent number 5,644,891
- Issue date Jul 8, 1997
- Zygmunt Grant Kafarowski
- B28 - WORKING CEMENT, CLAY, OR STONE