Registers – Records – Projections
Patent
1986-10-08
1989-02-28
Pitts, Harold I.
Registers
Records
Projections
235487, G06K 1906
Patent
active
048088056
ABSTRACT:
A menu device comprises
REFERENCES:
patent: 2453239 (1945-12-01), Luhn
patent: 3916159 (1975-10-01), Castillo
patent: 4128757 (1978-12-01), Garner
Escorp, Inc.
Haefliger William W.
Pitts Harold I.
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