Alexander Brown

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Denver, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Window well covering system
- Patent number 7,444,784
- Issue date Nov 4, 2008
- Safe-T-Rail Co.
- Alexander Brown
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Finished-stair-tread adapter for a modular railing system
- Patent number 6,905,110
- Issue date Jun 14, 2005
- Alexander Brown
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Modular railing system for construction sites
- Patent number 6,481,697
- Issue date Nov 19, 2002
- Alexander Brown
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
Modular railing system
- Publication number 20050274940
- Publication date Dec 15, 2005
- Alexander Brown
- E04 - BUILDING
Information Patent Application
Window well covering system
- Publication number 20050150177
- Publication date Jul 14, 2005
- Alexander Brown
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
Modular railing system for construction sites
- Publication number 20030122117
- Publication date Jul 3, 2003
- Alexander Brown
- E04 - BUILDING