Patrick C. Gehm

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of cleaning steps of an escalator
- Patent number 9,878,351
- Issue date Jan 30, 2018
- RENAELC, INC.
- Patrick C. Gehm
- B08 - CLEANING
Information Patent Grant
Escalator step cleaner
- Patent number 8,337,625
- Issue date Dec 25, 2012
- Renaelc, LLC
- Patrick C. Gehm
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
Escalator Step Cleaner
- Publication number 20180257113
- Publication date Sep 13, 2018
- RENAELC, INC.
- Patrick C. Gehm
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Escalator Step Cleaner
- Publication number 20140366915
- Publication date Dec 18, 2014
- RENAELC, INC.
- Patrick C. Gehm
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Escalator step cleaner
- Publication number 20110277785
- Publication date Nov 17, 2011
- RENAELC, L.L.C.
- Patrick C. Gehm
- B66 - HOISTING LIFTING HAULING