Note: Moen's patent portfolio was acquired by AVAT Consulting LLC.

Moen Technologies' patent portfolio included the following three patents:

U.S. Patent No. 5,592,537, Method of providing message service for limited access telecommunications (View on Google Patents)

U.S. Patent No. 5,864,604, Method of providing message service for limited access telecommunications (View on Google Patents)

U.S. Patent No. 5,438,615, Method of providing message service for pinless limited access telecommunications (View on Google Patents)