Ryan J. A. Ritchie has been granted 25 US patents while listed as an inventor at Acushnet. The first was granted in 2009 and the most recent in November 2024. Ryan J. A. Ritchie ranks #158,593 of 4,157,543 US inventors in our database (top 3.8%). Patent records list Ryan J. A. Ritchie in Tecate Mission Road, CA, US.