Robert M. Parrish has been granted 3 US patents while listed as an inventor at Qc Ware. The first was granted in 2021 and the most recent in May 2023. Robert M. Parrish ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Robert M. Parrish in Woodside, CA, US.