North Reading, MA, United States of America

Personal Hygiene Research Associates

Calculating rank

USPTO Granted Patents = 3

Forward Citations = 116

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3 inventors (with patents filed for the assignee):

William A Barabino (3 out of 15 patents)

Raymond S Dean (2 out of 5 patents)

Robert Chickering (1 out of 2 patents)

3 patents: Sort by Forward Citations

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 - Oct 27 2026

3 Patents

#8 in North Reading, MA

#3,965 in Massachusetts

#73,926 in US

North Reading, MA, United States of America

Personal Hygiene Research Associates

Forward Citations = 116

3 inventors:

William A Barabino (3 out of 15 patents)

Raymond S Dean (2 out of 5 patents)

Robert Chickering (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Personal Hygiene Research Associates. Retrieved from https://idiyas.com/company/personal-hygiene-research-associates

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]