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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 6935924 | Method for deciding a bevel curve, method for determining a locus of a bevel, method for processing a lens and apparatus for processing a lens When a forming a bevel on a lens, the value of the bevel curve is calculated based on the value of the curve of the concave face, a reference axis of the bevel curve is determined to be in the same direction as the curvature of the concave face, a reference position... | 08/30/2005 |
| 6904628 | Convertible sofa-bed A sofa-bed has: a frame with opposing arms; a seat; a subseat hinged to the seat; a connecting rod that pivotally interconnects the subseat and the backrest; pairs of center legs and end legs pivotally attached to, respectively, the subseat and seat; and mechanisms ... | 06/14/2005 |
| 4939802 | Sofa-bed "SOFA-BED", comprising a basic structure (10) provided with a pair of upper rear supports (13); a back including a rear portion (20) and a front portion (30) articulated to each other, the rear portion (20) having its extreme lower edge articulated to the... | 07/10/1990 |
| 4737996 | Seat-bed conversion assembly An improved seat-bed assembly providing a seat unit and a back frame support, both of which are interconnected by a controlled linkage that, coupled with a guided movement of the back frame support, will convert the assembly from a seat form to a full len... | 04/19/1988 |
| 4694514 | Convertible sofa mechanism A three-section convertible sofa mechanism installed in a convertible sofa. The convertible sofa has a pair of curved channels in which the head section of the sofa rides. As the mechanism is pulled outwardly from the sofa frame, the head section is guide... | 09/22/1987 |
| 4563037 | Convertible furniture A chair or couch is convertible into a bed by pivoting each of the seat portion and back portion about discrete horizontal axes extending between opposite sides of a frame.... | 01/07/1986 |
| 4398311 | Folding sofa-bed mechanism A folding bed frame for sofa-beds in which a plurality of frame sections, including a foot section, knee section, body section and head section are pivoted in end-to-end relation so as to be foldable between an extended bed-forming position and a retracte... | 08/16/1983 |
| 4221428 | Convertible chair and bed The disclosure relates to a convertible piece of furniture which may be made into a chair or a bed. The convertible chair and bed has an arm section hingedly secured to a seat section and carrying a latch bracket. A back rest is hinged to the rear of the ... | 09/09/1980 |
