Roy M. Patterson

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Pflugerville, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Lift chair
- Patent number 9,289,341
- Issue date Mar 22, 2016
- Richard A. Patterson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Lift chair
- Patent number 9,084,707
- Issue date Jul 21, 2015
- Richard A. Patterson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Lift chair
- Patent number 8,789,219
- Issue date Jul 29, 2014
- Richard A. Patterson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Lift chair
- Patent number 8,468,623
- Issue date Jun 25, 2013
- Richard A. Patterson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Compact hydraulically-operated derailleur shifting system for bicycles
- Patent number 6,638,190
- Issue date Oct 28, 2003
- Richard A. Patterson
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Hydraulically-operated bicycle shifting system with power shifting
- Patent number 6,325,733
- Issue date Dec 4, 2001
- Richard A. Patterson
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Hydraulically-operated bicycle shifting and braking systems
- Patent number 6,042,495
- Issue date Mar 28, 2000
- Richard A. Patterson
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
LIFT CHAIR
- Publication number 20150283016
- Publication date Oct 8, 2015
- Richard A. Patterson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
LIFT CHAIR
- Publication number 20140289961
- Publication date Oct 2, 2014
- Richard A. Patterson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
LIFT CHAIR
- Publication number 20140143951
- Publication date May 29, 2014
- Richard A. Patterson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
LIFT CHAIR
- Publication number 20110302712
- Publication date Dec 15, 2011
- Richard A. Patterson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Modular mobility unit
- Publication number 20040251063
- Publication date Dec 16, 2004
- Richard A. Patterson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Compact hydraulically-operated derailleur shifting system for bicycles
- Publication number 20020058558
- Publication date May 16, 2002
- Richard A. Patterson
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS