Re: 1961 Dorrsett Custom 300 Home › Forum › Ask A Member › 1961 Dorsett Custom 300 › Re: 1961 Dorrsett Custom 300 rmhxrussReplies: 145Topics: 6 July 1, 2018 at 7:02 pm #78830 My Dad was a Dorset dealer in the 60’s. Very good boats built in Santa Clara or San Jose CA. They used a different type of resin not standard polyester.