Peter N. Toensing has been granted 2 US patents while listed as an inventor at Optum. The first was granted in 2024 and the most recent in July 2025. Peter N. Toensing ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Peter N. Toensing in Richfield, MN, US.