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Wham-O Flying Saucer Frisbee
Edward E. Headrick ~ 1967
Patent # 116

       In 1967 Mr. Headrick was issued a patent for his invention from the United States Patent & Trademark Office (USPTO). There were 4 documents on file for this patent. The drawing specification sheet of the patent has been reproduced from original USPTO documents and printed onto parchment paper. This print is sized and ready to install into an 8" x 10" frame. The additional sheets included are printed on 5.50" x 8.50" parchment paper. These accompanying documents describe the scope of this invention in formal terms. The following is an actual excerpt from the patent…

 
       " A saucer shaped throwing implement. A series of concentric discontinuities are provided adjacent the rim on the convex side of the implement. The discontinuities provided on the convex side of the implement exert an interfering effect on the air flow over the implement and create a turbulent unseparated boundary layer over the top of the implement reducing aerodynamic drag"…

Patent Image

Water marks do not appear on actual prints

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