Rob Drew

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Vancouver, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Systems and methods for handrail cleaning
- Patent number 9,856,115
- Issue date Jan 2, 2018
- Christian E Thomsen
- B08 - CLEANING
Information Patent Grant
Systems and methods for handrail cleaning
- Patent number 9,764,929
- Issue date Sep 19, 2017
- Christian E Thomsen
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Safety brake for incline elevators
- Patent number 9,038,780
- Issue date May 26, 2015
- GEOSEN
- Rob Drew
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
SYSYSTEMS AND METHODS FOR HANDRAIL CLEANING
- Publication number 20180194598
- Publication date Jul 12, 2018
- Christian E Thomsen
- B66 - HOISTING LIFTING HAULING
Information Patent Application
SYSTEMS AND METHODS FOR HANDRAIL CLEANING
- Publication number 20170029250
- Publication date Feb 2, 2017
- Christian E Thomsen
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
SYSYSTEMS AND METHODS FOR HANDRAIL CLEANING
- Publication number 20160073848
- Publication date Mar 17, 2016
- Christian E Thomsen
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
SAFETY BRAKE FOR INCLINE ELEVATORS
- Publication number 20110290590
- Publication date Dec 1, 2011
- Rob Drew
- B66 - HOISTING LIFTING HAULING