Swirnow R&D LLC

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Baltimore, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Composite slab and joist assembly and method of manufacture thereof
- Patent number 7,013,613
- Issue date Mar 21, 2006
- Swirnow R & D, LLC
- Russell A. Boellner
- E04 - BUILDING

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
78646209 - ECOMBO
- Serial number 78646209
- Filing date Jun 8, 2005
- Swirnow R&D LLC
- 19 - Building materials (non-metallic)