Jeffery M. Kramer has been granted 16 US patents while listed as an inventor at Spinal Modulation. The first was granted in 2013 and the most recent in September 2025. Jeffery M. Kramer ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list Jeffery M. Kramer in St. Louis Park, MN, US.