ALEXANDRIA, Va., June 12 -- United States Patent no. 12,300,252, issued on May 13, was assigned to MOTOROLA SOLUTIONS INC. (Chicago).

"Controlling access to historical call data" was invented by Natalie D. Dentel (Chesterfield, Va.), Matthew Seeley (Sandy, Utah) and Chun Wang (Chicago).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic processor that may be configured to perform a first voiceprint analysis of first audio data of a first call from a first caller to determine a first voiceprint of the first caller, and determine that the first voiceprint matches a first previously-stored voiceprint. The first previously-stored voiceprint may identify and be associated with first previously-stored info...