Volume 2, 1966, Issue 1
Patent pedicament
On Oct. 19, after seven 7-yrs. of inquiry by the U.S. Patent Office, Aqua-Chem was awarded a basic patent (No. 3,213,000 bearing Reid Ewing's name...
On Oct. 19, after seven 7-yrs. of inquiry by the U.S. Patent Office, Aqua-Chem was awarded a basic patent (No. 3,213,000 bearing Reid Ewing's name...