Leo Spitz Macdonald

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Slatington, PA, US

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Patents Applicationslast 30 patents

Information Patent Application
Novel advanced materials blades and cutting tools
- Publication number 20090217537
- Publication date Sep 3, 2009
- Leo Spitz Macdonald
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Novel cryogenic firefighting and hazardous materials suppression sy...
- Publication number 20090200046
- Publication date Aug 13, 2009
- Leo Spitz Macdonald
- A62 - LIFE-SAVING FIRE-FIGHTING