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More Great Links
Sources
- Arzt, Frank J. "Hydro-massage chair." United States patent application 6,036,663. http://www.freepatentsonline.com/6036663.html
- Baek, Hee-Jong. "Leg massager using air." United States patent 7,273,461 B2. http://www.freepatentsonline.com/7273461.html
- Chang, Horng Jiun. "Dual use massage chair." United States patent application 7,285,102 B1.
http://www.freepatentsonline.com/7285102.html - Jikiba, Yasuhiro, et al. "Massage chair." United States patent application 6,629,939 B2.
http://www.freepatentsonline.com/6629939.html - Labbe, Roland A. "Massage chair." United States patent application 2,572,040. http://www.freepatentsonline.com/2572040.html
- Marcantoni, Egidio. "Massager to be inserted in the back of a massage chair or the like, provided with massage pressure adjustment." United states patent application 6,454,731 B1.
http://www.freepatentsonline.com/6454731.html - O'Hara, David J. "Reclining massage chair." United States patent application 2,808,827. http://www.freepatentsonline.com/2808827.html
- Raffel, Marvin J. "Massaging chair." United States patent 3,653,375.
http://www.freepatentsonline.com/3653375.html - Yuki Yoda, Kusatsu, et al. "Massage chair." United States patent application 7,381,194 B2.
http://www.freepatentsonline.com/7381194.html - Zero Gravity Massage Chair. Sanyo.
http://us.sanyo.com/appliances/massage_chairs/index.cfm?productID=1480
