Robert Horton SHANKS

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Sheffield, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Ladder lift
- Patent number 9,410,374
- Issue date Aug 9, 2016
- Robert Horton Shanks
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

Information Patent Application
LADDER LIFT
- Publication number 20150060200
- Publication date Mar 5, 2015
- Robert Horton SHANKS
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS