Zygmunt Joseph Drozdowski

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Brooklyn, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Panel assemblies having controllable surface properties
- Patent number 8,615,970
- Issue date Dec 31, 2013
- Charles Hoberman
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
PANEL ASSEMBLIES HAVING CONTROLLABLE SURFACE PROPERTIES
- Publication number 20100243180
- Publication date Sep 30, 2010
- CHARLES HOBERMAN
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS