"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 5556211 | 24 pin dot printer head and method of making the same A method for manufacturing a print wire for a 24-pin dot printer head comprises the steps of first annealing an oil temper thin elongated wire rod at a predetermined rate to remove internal strains and eliminate distortions and imperfections after the oil... | 09/17/1996 |
| 5401107 | Component of printing head for wire-impact type dot printer and molding method thereof Disclosed are a magnetic circuit component of an impact dot head and a molding method thereof by which the number of parts is reduced, and an excellent magnetic efficiency is exhibited. At least one member among a plurality of members constituting a magnetic ... | 03/28/1995 |
| 4832516 | Dot matrix print head A wire guide tip in a wire dot printer is made of ceramic and is integrally formed with the front wire guide and inserted during mold processing of the front wire guide.... | 05/23/1989 |
| 4720201 | Printer guide member A printer guide member for guiding print wires in a dot matrix printer, which comprises a thin ceramic sintered body containing 60% by weight or more of Si3 N4 and having a plurality of guide holes perforated therethrough. In additio... | 01/19/1988 |
| 3991870 | Replaceable composite wire guide assembly The print head in a high-speed printer of the dot matrix type is provided with a bearing comprising an element fixedly attached to the front wall of a plastic block. The element is made of a material substantially harder than plastic, such as metal or a j... | 11/16/1976 |
| 3991871 | Print head and plastic bearings therefor A print head for impact printers of the dot matrix type comprising a hollow die cast housing having solenoids mounted upon a rear wall thereof and having print wires driven thereby and extending through the rear wall and hollow housing toward the forward ... | 11/16/1976 |