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Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 7374114 | Device for the destruction of disc media A device for the destruction of disc media is provided. The device includes an engagement member disposed within a housing portion, and a support member on which the disc media rests against. An actuating force is applied to move the engagement member and support me... | 05/20/2008 |
| 7311280 | Ice crusher A chopper, or crusher (1) for breaking up ice, including a housing (2, 3) able to be pushed over the goods to be broken up and with a knife (5) with a blade having a toothed cutter (52) is provided. An upper housing part (2) is det... | 12/25/2007 |
| 7258292 | Mini-type food chopper A small-sized food chopper for chopping up foodstuffs, includes an outer case including a lower casing removably connected with an upper casing and a button mounted on the upper casing; a blade connection holder installed inside the outer case, the blade connection ... | 08/21/2007 |
| 7152821 | Chopper A food chopper includes a housing for receiving a food item, a blade assembly including a blade movable within the housing for chopping the food item, a shaft attached to the blade assembly for movement therewith, a plunger assembly coupled to the shaft for effectin... | 12/26/2006 |
| 7100854 | Chopper A food chopper includes a housing for receiving a food item, a blade assembly including a blade movable within the housing for chopping the food item, a shaft attached to the blade assembly for movement therewith, a plunger assembly coupled to the shaft for effectin... | 09/05/2006 |
| 6467711 | Chopper A device for the size reduction of foodstuffs, such as onions and the like, with a housing which may be turned over the goods to be reduced in size. A knife is displaceable downwards against a force of a spring by an actuation mechanism with a push button... | 10/22/2002 |
| 4967970 | Chopping device for foodstuffs The invention relates to a device for chopping foodstuffs such as onions and the like, having a housing that may be placed over the items to be chopped and, guided in the housing, a knife that may be pressed downwards against the force of a spring by mean... | 11/06/1990 |
| 4192470 | Cutting device for the shredding of foodstuffs such as onions, vegetables and fruits A cutting device for foodstuffs in which a container is provided with a cutter carried at the end of a spring biased plunger. The plunger is carried in a guide, formed separately of the container, as a member of a bell-shaped two part foldable housing, wh... | 03/11/1980 |
| 3933315 | Food chopper & cutting surface A food chopper is shown with a body having an upper and lower portion in which a convoluted blade is supported on a cross bar for purposes of chopping food stuffs contained in the lower housing and enclosed by a cutting surface secured beneath the lower h... | 01/20/1976 |
