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Charles Bernard Doolin (my grandfather) 1,261,495—Liquid measure and strainer—April 21, 1918 1,311,857—Laminated fabric for tire casings—July 29, 1919 1,696,079—Measuring and dispensing receptacle—December 18, 1928 Earl Bernard Doolin (my uncle) 2,477,968—Package sealing machine—August 2, 1949 2,514,479—Process of preventing rancidity of cooking fats—July 11, 1950 2,525,213—Cooking apparatus—October 10, 1950 2,692,630—Hogskin cutting die—October 26, 1954 Also—1,893,570; 2,013,147; 2,116,386 Uncle Earl and Wid Gunderson (Frito engineer) jointly 2,400,058—racks and display devices with clip-and-bracket locking device —September 1950 Charles Elmer Doolin (my father) 1,833,829—Car service tray—November 24, 1931 (My grandfather had tried to patent one of these but failed; Dad revamped that original and got the patent.) 1,954,443—Dough dispensing and cutting device—April 10, 1934 2,002,053—Corn product and method of making it—May 21, 1935 2,907,268—Shaping and cooking machines (Ta-Cups)—October 6, 1959 Wid Gunderson and others 436,600,777 1,925,202 466,932 776,549 1,491,286 1,647,678 2,137,657 2,234,624 Appendix 4 Doolin Family and Frito Company Patents ◆ 185 ...

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