COSOM

The following information comes from the Thermotech News, December 1969.  We think Booker & Wallestad and Thermotech were some kind of divisions of Rodgers Hydraulic.

Cosom was started in 1949 with the manufacture of the Pee-Gee-Bee practice golf ball.  By 1969 the company had three departments:

Recreation:  Safe-T-Play Sporting Goods are official in size but light weight and can be used indoorss or outdoors.  They are used extensively in physical education and park recreation.  The "well-known Flow Troll Live Bait Bucket" was also manufactured by this department.  The newsletter stated that a Flow Troll was on display at the Smithsonian Institution.  Safe-T-Play was located at 6030 Wayzata Blvd. in Golden Valley.

Marine Accessories:  no boats, but everyting a boat and motor owner needs, from the patented One-Man Boat Loader, 30 different Boarding Ladders, to Shear Pins of every size.  In 1969 the Marine department moved to the Booker & Wallestad Building at Gorham in St. Louis Park.

Fiberglass:  Products included the sleds which reached the North Pole (Plaisted 1968 Expedition).  In 1969 the Fiberglass department was located at 5610 W. 36th Street in St. Louis Park.



 

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This information comes from a variety of sources: newspapers, books, yearbooks, phone directories, interviews, etc. Given the varied sources, we cannot guarantee that all of this information is correct, and welcome any additions and corrections. Please contact us with your contributions and comments.