Hemingray patent for insulator press

[Trade Journal]

Publication: The Pottery Gazette

London, England
vol. 5, no. 50, p. 688, col. 1,3


The following list has been compiled expressly for THE POTTERY GAZETTE by G. F. REDFERN, Patent Agent, 4, South-street, Finsbury, London, and at Paris and Brussels.

American Patents.

R. HEMINGRAY, of Covington, Ky., for "A glass-press for the manufacture of insulators."


Researcher notes: 
Supplemental information: Patent: 242,825
Researcher:Bob Stahr
Date completed:May 23, 2010 by: Bob Stahr;