Brushing – scrubbing – and general cleaning – Attachments – Optical-member-attachable cleaner
Patent
1997-02-28
1998-11-10
Graham, Gary K.
Brushing, scrubbing, and general cleaning
Attachments
Optical-member-attachable cleaner
1525048, 219202, B60S 138
Patent
active
058325581
ABSTRACT:
A heated wiper blade assembly for vehicles comprises an electric resistance heating element molded within the conventional wiper blade. A normally closed timer or temperature sensor controls operation of the heating element. The heating element heats the wiper blade and prevents ice build-up on the blade during snow or sleet precipitation.
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patent: 4967437 (1990-11-01), Morse
Ehret Boyd P.
Ehret David B.
Bain Herman H.
Graham Gary K.
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