Phyllis C. McAda has been granted 8 US patents while listed as an inventor at Merck. The first was granted in 1994 and the most recent in January 2001. Phyllis C. McAda ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Phyllis C. McAda in Woodinville, WA, US.