[1] John Tjaarda, the head stylist at the Briggs Body Company, hired him as an apprentice designer, where he worked on various projects for Chrysler, Packard and Lincoln.
He moved to California with his parents in 1938 and took a job with Howard "Dutch" Darrin, where Fitzpatrick developed designs for Darrin-modified Packards.
While at Mercury, Fitzpatrick began working with Van Kaufman, a former Disney animator, whose specialized in figurative and scenic drawing.
Fitzpatrick continued to produce signed and numbered prints and artist proofs of his work, eventually adapting to digital illustration techniques.
[3] Fitzpatrick continued to lecture widely and appeared at venues such as the Center For Creative Studies and the Gilmore Car Museum in Michigan.
Fitzpatrick was an honorary member of the Classic Car Club of America (CCCA) and the Automotive Fine Art Society (AFAS).