Sonja S. Mackey has been granted 10 US patents while listed as an inventor at 3M. The first was granted in 2018 and the most recent in September 2025. Sonja S. Mackey ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Sonja S. Mackey in Okabena, MN, US.