For the Inventor, By the Inventor

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Billerica, MA, United States of America

Adds, Inc.

USPTO Granted Patents = 3

Forward Citations = 1,083

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6 inventors (with patents filed for the assignee):

Harold J Liff (3 out of 17 patents)

Brian T Hart (3 out of 16 patents)

Robert L Wallace (3 out of 15 patents)

4. Arthur A Berube (3 out of 16 patents)

5. Richard D Hart (1 out of 14 patents)

6. Enea W Bossi, Deceased (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 6068156 - Method for controlling a drug dispensing system (2000-05-30),

2. 5797515 - Method for controlling a drug dispensing system (1998-08-25),

3. 5713485 - Drug dispensing system (1998-02-03),

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USPTO Data Jan 1 1976 - Jan 13 2026

3 Patents

#86 in Billerica, MA

#3,879 in Massachusetts

#72,125 in US

Billerica, MA, United States of America

Adds, Inc.

Forward Citations = 1,083

6 inventors:

Harold J Liff (3 out of 17 patents)

Brian T Hart (3 out of 16 patents)

Robert L Wallace (3 out of 15 patents)

4. Arthur A Berube (3 out of 16 patents)

5. Richard D Hart (1 out of 14 patents)

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