Did You Know...
...that power steering was invented by independent inventor Francis W. Davis? As chief engineer in the 1920s of the truck division of the Pierce Arrow Motor Car Company, he saw how hard it was to steer heavy vehicles. So that he would be able to keep the profits from his future invention, Davis left his job, rented a small engineering shop in Waltham, Mass., and developed a hydraulic power steering system that led to power steering.
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| Number | Title | Issue Date |
| D648859 | Leg and foot massager | 11/15/2011 |
| D643127 | Leg and foot massager | 08/09/2011 |
| D619384 | Massage chair | 07/13/2010 |
| D609932 | Massage chair | 02/16/2010 |
| D584826 | Leg and foot massager | 01/13/2009 |
| D575362 | Horse riding exerciser | 08/19/2008 |
| D571476 | Electrical muscle stimulation massaging apparatus | 06/17/2008 |
| D566288 | Oscillating massage belt | 04/08/2008 |
| D565316 | Massage chair | 04/01/2008 |
| D557948 | Hood for use with chairs | 12/25/2007 |
| D550468 | Reclining massage chair with hood | 09/11/2007 |
| D548995 | Reclining massage chair | 08/21/2007 |
| D548852 | Tapping massager | 08/14/2007 |
| D544224 | Massage chair | 06/12/2007 |
| D539812 | Wireless music synchronization (MP3) player - MP3 device | 04/03/2007 |
| D530374 | Surfing simulation apparatus | 10/17/2006 |
