John H. Wilbur has been granted 7 US patents while listed as an inventor at Simco/Ramic. The first was granted in 1988 and the most recent in December 1999. John H. Wilbur ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list John H. Wilbur in Benton City, WA, US.