Gerald W. Bottrell has been granted 5 US patents while listed as an inventor at Fts Welding. The first was granted in 1980 and the most recent in August 1998. Gerald W. Bottrell ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Gerald W. Bottrell in La Cañada Flintridge, CA, US.