DeFazio Rotary, Inc.
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DeFazio Rotary, Inc.
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On May 8, 2001 a provisional patent application was filed with the U.S. Patent office. This was followed by a regular patent Application of May 6, 2002. The description of the engine that was sent to the Patent Office can be found by clicking on Patent Application. On November 14, 2002 the patent application was published by the U.S. Patent Office. |
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