Class 235/59A - Miscellaneous key operated recording

Subclass of Class 235 - Registers
No. of patents: 3
Last issue date: 09/23/2008

Number	Title	Issue Date
7427013	Calculator apparatus A calculator is provided that includes an input pad that includes a sales tax button and a currency pad, which includes a change due button and a number of currency keys. The currency keys can be depressed in order to enter numeric values associated with currency. T...	09/23/2008
6513707	Hand-carried counting device A hand-carried counting device with which a counter is stepped forwards through one increment in response to the depression of a count key. The counting device is electronic and includes at least three different count keys for counting the numbers of thre...	02/04/2003
5648625	Musical chord transposer An apparatus for the translation of musical chords from one key to another key. Both the electronics and mechanical embodiments of the invention permit the user to translate a musical score in a source key to a target key by identifying the appropriate ch...	07/15/1997

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