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For the Inventor, By the Inventor

Canoga Park, CA, United States of America

Ljm Associates, Inc.


USPTO Granted Patents = 3

% Expired Patents = 100.0

Forward Citations = 678

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3 inventors (with patents filed for the assignee):

goldMedal Joan Golden Mandell (3 out of 3 patents)

silverMedal Lee Jay Mandell (3 out of 23 patents)

bronzeMedal Richard David Mandell (2 out of 2 patents)


3 patents:

1. 7002442 - Proximity safety switch suitable for use in a hair dryer for disabling operation (2006-02-21),
2. 6784775 - Proximity safety switch suitable for use in a hair dryer for disabling operation (2004-08-31),
3. 6750747 - Proximity safety switch suitable for use in a hair dryer for disabling operation (2004-06-15),
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USPTO Data Jan 1 1976 - Sep 29 2026

3 Patents

#18 in Canoga Park, CA

#16,838 in California

#73,766 in US

Canoga Park, CA (US)
Canoga Park, CA, United States of America

Ljm Associates, Inc.

Forward Citations = 678

3 inventors:

goldMedal Joan Golden Mandell (3 out of 3 patents)

silverMedal Lee Jay Mandell (3 out of 23 patents)

bronzeMedal Richard David Mandell (2 out of 2 patents)

Please report any incorrect information to [email protected]
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