Class 235/59R - Key operated

Subclass of Class 235 - Registers
Definition: Recording calculating-machines where the actuation of the
No. of patents: 4
Last issue date: 03/13/2007

Number	Title	Issue Date
7188760	Counting apparatus A counting apparatus for counting the number of persons in an establishment. The counting apparatus includes a housing being designed for being held in a hand of a user. An intake assembly is coupled to the housing. The intake assembly is designed for being actuated...	03/13/2007
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
6450401	Writing board with electronic calculator A writing board with an electronic calculator and a writing board to which an electronic calculator is installable. The writing board including a case member provided with an opening in a top surface of the case member, and a frame section surrounding the...	09/17/2002
4926388	Electronic device for independently erasing secret and non-secret data from memory In an electronic appliance capable of storing secret data to be kept secret and data other than the secret data in distinction from each other, only the secret data can be erased upon a first reset operation and the data other than the secret data can be ...	05/15/1990

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