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Richard Daniel Yelvington
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Largo, FL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Reverse pulley attachment for rubber cushioned rear wheels of motor...
Patent number
10,197,135
Issue date
Feb 5, 2019
Richard Yelvington
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Metadrive planetary gear drive system
Patent number
9,739,365
Issue date
Aug 22, 2017
Richard D. Yelvington
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Conversion kits for converting a two wheeled motorcycle to a three...
Patent number
9,630,676
Issue date
Apr 25, 2017
Richard D. Yelvington
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Conversion of two wheeled motorcycle to a three wheeled trike confi...
Patent number
9,132,879
Issue date
Sep 15, 2015
Yelvington Trikes, LLC
Richard Daniel Yelvington
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Patents Applications
last 30 patents
Information
Patent Application
Reverse Pulley Attachment for Rubber Cushioned Rear Wheels of Motor...
Publication number
20170030437
Publication date
Feb 2, 2017
Yelvington Trikes, LLC
Richard Yelvington
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
METADRIVE PLANETARY GEAR DRIVE SYSTEM
Publication number
20160102752
Publication date
Apr 14, 2016
Richard D. Yelvington
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
CONVERSION KITS FOR CONVERTING A TWO WHEELED MOTORCYCLE TO A THREE...
Publication number
20150353159
Publication date
Dec 10, 2015
Yelvington Trikes, LLC
Richard D. Yelvington
B60 - VEHICLES IN GENERAL
Information
Patent Application
CONVERSION OF TWO WHEELED MOTORCYCLE TO A THREE WHEELED TRIKE CONFI...
Publication number
20140191485
Publication date
Jul 10, 2014
Richard Daniel Yelvington
B60 - VEHICLES IN GENERAL