Variable color display typewriter

United States of America Patent

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Jun 19, 1990
Issued Date
N/A
app pub date
Apr 11, 1989
filing date
Mar 13, 1987

priority date (Note)
Expired

status (Latency Note)

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Abstract

A typewriter with variable color display visually presents typed text in a color variable in accordance with the typing speed and accuracy.

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Patent Owner(s)

Patent Owner	Address
HAVEL KAREL	Not Provided

International Classification(s)

B41J:TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. M....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Havel, Karel	15 Kensington Road, Apt. #704, Bramalea, Ontario, CA	59	4031

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Variable color display typewriter

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United States of America Patent

07336080

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PATENT NO	4934852
SERIAL NO	07336080
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07336080

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