Rob Matthies reveals world's only chain-drive Ego-2 electric scooter innards

ROB MATTHIES PRESENTS WATER SCOOTER TO VANCOUVER COUNCILORS

TV News Inventor Rob Matthies Fuel Cell Used on HHO Scooter

Rob Matthies in North Shore News on Revived Battery Scooter

Rob Matthies at Construction of Record-Setting UBC Cross-Canada Electric Car Club Vehicle Vancouver BC

Rob Matthies Test Ride UBC electric car Record Setting Cross Canada tour

Independent Test of Revived Battery Electric Pickup Truck by Rob Matthies and Gary Tang as shown on News

Vancouver Gadgeteers Rob Matthies takes Record-Setting UBC electric car to Richmond BC mechanics for review

Modified Chain-Drive Ego Cycle 2 (Ego-II) electric scooter

Vancouver Gadgeteers Rob Matthies diagnosing LIFEPO4 ebike battery failure

IS THE ROB MATTHIES BATTERY REVIVAL TECHNOLOGY A SCAM?

ROB MATTHIES REVIVED BATTERY FUN reviewed by MAYOR

Rob Matthies' REVIVED BATTERIES re-tested after 4 years' use

Amateur magician Rob Matthies at White Spot Xmas Fundraiser

Rob Matthies' Revived Batteries Tested by the Public

Gadgeteer Rob Matthies shows how to Sell Solar Panels in Vancouver BC Canada for Home Power

HOW TO RECHARGE A NON-RECHARGEABLE 9V ALKALINE BATTERY ROB MATTHIES VANCOUVER GADGETEERS

Tree-Savers Rob Matthies and Gadgeteers in Sun Peaks News

Solution to Ego-II electric scooter belt drive breakage

Rob diagnosed Mike's electric scooter problems in Vancouver

Todo Por La Corona - Andrea Matthies entrevista a Gisselle Reyes

Todo Por La Corona - Andrea Matthies entrevista a María Gabriela Isler

Andrea Matthies : Queremos que la paz reine en Venezuela

Todo Por La Corona - Andrea Matthies entrevista a Jesús Zambrano

Rockin Matthies FIRST TIME REACTION!!!

Todo Por La Corona - Andrea Matthies entrevista a Caterina Valentino