Did You Know...
...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 3968745 | Label printing and applying apparatus There is disclosed label printing and applying apparatus by which labels are successively printed and applied to merchandise. The apparatus feeds pressure sensitive labels mounted on a web of supporting material to a printing zone and to a delaminating zo... | 07/13/1976 |
| 3955498 | Electromagnetically actuated printer A device for printing in association with hand-held calculators comprises a pair of vertically stacked blocks joined by a elastomer layer, the lower block formed of elastic material. Vertically embedded in the lower block is an array of digit forming segm... | 05/11/1976 |
| 3952653 | Stamp device A stamp device is constructed which comprises a housing having a gripping portion one end of which is closed and the other end of which is integral with a shoulder which is integral with a bellows which terminates in an open end, a rigid member having a p... | 04/27/1976 |
| 3951062 | Method of recording medical and surgical patient information Medical and surgical information, diagnostic findings, anatomical abnormalities and/or changes, and the like are rapidly and accurately recorded in a patient's chart by reproducting, duplicating or imprinting, as by stamping, an anatomical outline or grap... | 04/20/1976 |
| 3949672 | Device for mounting interchangeable type A device for mounting interchangeable type including a pair of spaced, resilient retainer members disposed on a backing member. Each retainer member has a neck portion and a head portion. One or more thin, elongated, flat bands, each having a pair of spac... | 04/13/1976 |
| 3935937 | Plastic and metal article of manufacture A composite of several materials constructed to form a printing disc, of the type used in high speed printers. The printing disc is manufactured in separate stages in order to achieve characteristics within the final assembly that are necessary for high s... | 02/03/1976 |
