In the 1940s and '50s, Preco Inc. manufactured hydraulic presses.
Information Sources
- 1946 issue of Plastics (Volumes 4-5 page 69. "Preco Incorporated Los Angeles, California. The manufacturer of the Preco Hydraulic Press, to meet a growing demand among its users for a wide range of production and industrial testing uses, has developed several important modifications to the press..."
- A 1964 patent, assigned to Electra Motors, Inc. of Anaheim, is an improvement to an earlier patent that was assigned to Preco, Inc. So far we do not have evidence that Preco ever manufactured their invention, but perhaps it was used on their presses.