Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7361826 | Portable electronic musical keyboard instrument A portable electronic musical device has a keyboard disposed in a housing connected to a strap and a support plate connected thereto for suspension of housing by strap on shoulders of a person while housing is simultaneously supported on waist of person to allow per... | 04/22/2008 |
| 7297392 | Bellows with molded panels A multi-sided bellows cover has panel sections formed of extruded plastic panels that are connected end-to-end by bead-in-slot connections. The panel sections can be made of one or more rigid wall sections that are connected at the fold lines by flexible web section... | 11/20/2007 |
| 7278433 | Washing a cored lettuce head A produce washer includes a holder to position a single piece of produce and a nozzle disposed at a horizontal distance adjacent to the holder. When the produce is a cored lettuce head, the cored lettuce head is positioned in the holder with the cored portion facing... | 10/09/2007 |
| 6986938 | Bellows with molded panels A multi-sided bellows cover has panel sections formed of extruded plastic panels in which rigid wall sections are connected at the fold lines by flexible web sections. The web sections are integrally molded by extrusion with at least one adjacent wall section, and m... | 01/17/2006 |
| 6946594 | Method for reproducing the sound of an accordion electronically Method for electronically reproducing the sound of an acoustic accordion, that is provided with a number of keys/buttons, which can be pressed individually so as to excite a corresponding number of reeds that are coupled with every single key/button; for electronica... | 09/20/2005 |
| 5824927 | Keyed free-reed instruments scope Improved performance and versatility of a free-reed instrument by linking a key of the instrument to a variable geometry chamber, which provides modifications in musical tones. The instrument can be an accordion or other free-reed instrument, and a passag... | 10/20/1998 |
| 5099737 | Double chambered bassboard housing for electronic M.I.D.I. accordion with retractable keyboard A double chambered bassboard housing for electronic M.I.D.I. accordion incorporating a folding control panel and a retractable keyboard. In a fully open position the instrument, because of its light weight and curved contour, is ideal to play and to perfo... | 03/31/1992 |
| 4884488 | Slender housing for electronic M.I.D.I. accordion A slender housing for electronic M.I.D.I. accordion without bellows and without reeds. It is a fully portable musical instrument which retains two shoulder straps, a bassboard strap, and comprises two separate control panels.... | 12/05/1989 |
| 4757739 | Bellows type toy tambourine A bellows type toy tambourine with a bellows containing a space enclosed by two ring members. One of these ring members has a plurality of slots along its circumference. Each of these slots contains two round metal plates for giving metal collision sound ... | 07/19/1988 |
| 4275635 | Accordion with a new order of sounds and mechanical reed opening system A reed accordion having six sounds for each register and a mechanical linkage system which permits the two additional sounds to be selectively used or not in combination with the classical four sounds for each register.... | 06/30/1981 |
| 4159664 | Keyboard assembly for an accordion Each end box of an accordion has a plurality of keys arranged to control the operation of reeds within the end box with each reed producing a tone corresponding to a note in the chromatic scale which is dissimilar to the tones produced by the other reeds ... | 07/03/1979 |
| 4142438 | Mount for harmonica reed or the like A reed for a harmonica or the like has a free end portion that is adapted to vibrate and give a predetermined tone and a T-shaped mounting end portion substantially the same width as the free end portion and having a pair of laterally projecting tabs. A r... | 03/06/1979 |
