[Trade Journal]
Publication: National Glass Budget
Pittsburgh, PA, United States
vol. 44, no. 52, p. 7, col. 2
The Hemingray Glass Co., of Covington, Ky., at Muncie, Ind., are going to manufacture an insulator of a new design, the patent of Vernon G. Converse, of Pittsburg, who assigned it to them. The term of the patent is 14 years.