Paul E. Kreyenhagen has been granted 11 US patents while listed as an inventor at Siemens Pacesetter. The first was granted in 1992 and the most recent in July 1996. Paul E. Kreyenhagen ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Paul E. Kreyenhagen in Castaic, CA, US.