Benjamin Friedman

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St. Johns, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Electrical warning system for a climbable structure
- Patent number 10,094,170
- Issue date Oct 9, 2018
- Benjamin Friedman
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Electrical warning system for a step ladder
- Patent number 9,711,028
- Issue date Jul 18, 2017
- Benjamin Friedman
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
ELECTRICAL WARNING SYSTEM FOR A CLIMBABLE STRUCTURE
- Publication number 20170314328
- Publication date Nov 2, 2017
- Benjamin Friedman
- G01 - MEASURING TESTING