Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7356862 | Waterbed with massage function A waterbed includes a bed frame, a water mattress mounted on the bed frame, and a flapping device. The flapping device includes two longitudinal shafts rotatably supported by the bed frame and a plurality of flapping members securely mounted on each longitudinal sha... | 04/15/2008 |
| 7181783 | Multi-function room furnishing system having articulating separable components An articulated furnishing system consisting of a reconfigurable mattress and a foundation composed of multiple separable components. The articulated furnishing system is adaptable between a bed configuration, a seating area configuration, and a work surface configur... | 02/27/2007 |
| 7147653 | Pad like device for use during phototherapy treatment A pad like device adapted to be placed over a phototherapy light source contains a medium that provides a comfortable support for a patient during phototherapy treatment and allows a portion of the light emitted by the light source to pass through the pad for photot... | 12/12/2006 |
| 7108654 | Method and apparatus for applying frequency vibrations therapeutically This invention relates to a method and apparatus for applying Frequency Vibrations of Sound and Light (hereinafter sometimes referred to as “FVSL”) to a user for the administration of therapeutic treatment including relaxation and other benefits. ... | 09/19/2006 |
| 6952851 | Mattress with transparent cover A sleeping mattress construction provides a mattress cover that is fabricated from a transparent material so that the interior of the mattress may be visualized to prevent concealment therein of contraband. In one embodiment the mattress is an air mattress formed of... | 10/11/2005 |
| 5901391 | Bed A bed includes a bag filled with a transparent fluid and formed with a transparent portion at least at an upper surface portion thereof, and a light source for emitting light. The light emitted from the light source passes through the fluid and propagates... | 05/11/1999 |
| 5695455 | Hydro-acoustic massage system and method A massage apparatus includes a flexible bladder filled with a fluid and a plurality of bladder displacement devices coupled to the flexible bladder for displacing the flexible bladder in accordance with a specified displacement plan. A signal source is co... | 12/09/1997 |
| 4757548 | Speaker system and dome-shaped enclosure therefor A speaker system having a magnet and voice coil are mounted within a dome-shaped enclosure in such a way as to be capable of transmitting sonic vibrations and audio waves through a liquid medium or solid structure, the dome-shaped enclosure cooperating wi... | 07/12/1988 |
| 4742437 | Water bed illuminator A water bed illuminator in which the bed includes a rectangular box-like base having a longitudinally extending central support wall spaced equidistantly from each opposite side wall, and three laterally extending support walls spaced apart equidistantly ... | 05/03/1988 |
| 4507816 | Waterbed with sound wave system A standard waterbed is shown having added thereto a sound wave system having four loudspeaker housings positioned within the floor pedestal of the bed beneath the supporting deck for the water-filled bladder mattress. Each of these loudspeaker housings is... | 04/02/1985 |
| 4220984 | Illumination device for a waterbed The present invention is an illumination device for use in combination with a waterbed which includes a plastic membrane which takes the shape of a mattress when it is filled with water and which is adapted to be filled with water and a frame having a hea... | 09/02/1980 |
| 4120062 | Waterbed environments This invention relates to a new and improved infant WATERBEDS ENVIRONMENTS designed to simulate the intrauterine environment. This is achieved by the use of a specially designed water filled bladder pulsated by means of a pump which generates rushing wate... | 10/17/1978 |
| 4114215 | Unitary accessory control for a waterbed A unitary accessory control for a waterbed fixed to the waterbed frame. Within the unitary accessory control are such accessories as a pump for filling (emptying) the waterbed, a heater, a vibrator, a sound system and a mechanism to control the environmen... | 09/19/1978 |