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For the Inventor, By the Inventor

North Reading, MA, United States of America

Personal Hygiene Research Associates


USPTO Granted Patents = 3

Forward Citations = 116

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3 inventors (with patents filed for the assignee):

goldMedal William A Barabino (3 out of 15 patents)

silverMedal Raymond S Dean (2 out of 5 patents)

bronzeMedal Robert Chickering (1 out of 2 patents)


3 patents:

1. 4968311 - Attached wrapper flaps for the considerate disposal of infant disposal (1990-11-06),
2. 4923455 - Disposable diaper with integral disposal envelope (1990-05-08),
3. 4781712 - Feminine pad with attached disposal wrap (1988-11-01),
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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#7 in North Reading, MA

#3,876 in Massachusetts

#72,025 in US

...
North Reading, MA, United States of America

Personal Hygiene Research Associates

Forward Citations = 116

3 inventors:

goldMedal William A Barabino (3 out of 15 patents)

silverMedal Raymond S Dean (2 out of 5 patents)

bronzeMedal Robert Chickering (1 out of 2 patents)

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