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For the Inventor, By the Inventor

Whitestone, NY, United States of America

Greenwald Electro-mechanical Consultants, Inc.


USPTO Granted Patents = 3

Forward Citations = 6

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1 inventor (with patents filed for the assignee):

goldMedal Harry Greenwald (3 out of 12 patents)


3 patents:

1. 4311894 - Switch button construction (1982-01-19),
2. 4287396 - Control device for a coin operated mechanism (1981-09-01),
3. 4286132 - Snap-action switch (1981-08-25),
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USPTO Data Jan 1 1976 - Dec 9 2025

3 Patents

#7 in Whitestone, NY

#4,335 in New York

#71,966 in US

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Whitestone, NY, United States of America

Greenwald Electro-mechanical Consultants, Inc.

Forward Citations = 6

1 inventor:

goldMedal Harry Greenwald (3 out of 12 patents)

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