US PATENT SUBCLASS 439 / 910
OBSERVATION AIDE, E.G., TRANSPARENT MATERIAL, WINDOW IN HOUSING
Current as of:
June, 1999
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439 /
HD
ELECTRICAL CONNECTORS
910
OBSERVATION AIDE, E.G., TRANSPARENT MATERIAL, WINDOW IN HOUSING
DEFINITION
Classification: 439/910
OBSERVATION AIDE, E.G., TRANSPARENT MATERIAL, WINDOW IN
HOUSING:
(under the class definition) Art collection intended to assist in optical viewing.
