Stephen Doonan

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Sycamore, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
HVAC fire damper tool
- Patent number 9,731,389
- Issue date Aug 15, 2017
- Stephen Doonan
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
HVAC Fire Damper Tool
- Publication number 20140026380
- Publication date Jan 30, 2014
- Stephen Doonan
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS