Walter E. Heckla

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Pittsburgh, PA, US

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Patents Applicationslast 30 patents

Information Patent Application
Belowgrade damp proofing and/or waterproofing with thermoplastic po...
- Publication number 20060234029
- Publication date Oct 19, 2006
- James Thompson-Colon
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Belowgrade damp proofing and waterproofing with thermoplastic polyu...
- Publication number 20060234030
- Publication date Oct 19, 2006
- James Thompson-Colon
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...