Richard O'Brien

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Oxnard, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Ladder step attachment device
- Patent number 8,657,070
- Issue date Feb 25, 2014
- Richard O'Brien
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

Information Patent Application
Ladder Step Attachment Device
- Publication number 20110297482
- Publication date Dec 8, 2011
- Richard O'Brien
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
Ladder step attachment device
- Publication number 20070240935
- Publication date Oct 18, 2007
- Richard O'Brien
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS