Everett Leslie Dreyer was a machine designer who in WWII was instrumental in design changes that affect weight and complexity of the aircraft components then in production. He also designed the automatic machine guns for a shooting gallery for an amusement park.
He created Maneuver, which was in development for 15 years (a predecessor game was "Red Bar"), was created because he was trying to find a scoring mechanism that did not use paper or pencil. Full information included in an interview in newspaper article from Nov 1, 1967 - https://www.newspapers.com/newspage/44547829/
The following are patents and copyrights for games he designed:
US Patent No. D-168,499 - 12/13/1952 - Patent for Game Board Design (Red Bar)
Copyright A123157 - 12/15/1953 - Official Rules for playing Red Bar
Copyright K51424 - 11/19/1957 - Try it; game and/or serving tray
Copyright A382878 - 3/31/1959 - Official rules for Surprise, New Inventions Co.
Copyright A397478 - 7/12/1959 - Official rules for Surprise Official rules for playing Surprise NM new matter
Copyright A420318 - 12/15/1959 - Official rules for Surprise NM revisions & additions
Copyright A478211 - 11/3/1973 - Hi merit; a puzzle game for any number of players