Patented Oct. 6th, 1914, no. 46500
Running title, p. : Signet bottles for mixing French dressing: licensed under Hawkes patent no. 46500
Running title on catalog pages.
The bottle was patented October 6, 1914. patent no. 46500.
Farrar and Spillman "The Complete Cut & Engraved Glass of Corning", p. 15, states that Hawkes licensed four companies to make its patented French dressing bottle.