141
Serving tray advertising the company
Three of the many beer trays produced by Electro Chemical Engraving
Nelson Jacobus obtained two design patents for
Bottle
Cap Removers
. Above left is a drawing from his
August 4, 1914 Design Patent No. 46,218. On the right
is his February 15, 1916 Design Patent No. 48,550. Both
patents were assigned to the Electro Chemical
Engraving Company.