Thomas M. Leonard

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Lakewood, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Polyurethane joint sealing for building structures
- Patent number 4,460,737
- Issue date Jul 17, 1984
- RPM, Inc.
- Robert M. Evans
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Low-modulus polyurethane joint sealant
- Patent number 4,318,959
- Issue date Mar 9, 1982
- Robert M. Evans
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...