The Mudcat Café TM
Thread #153372   Message #3591578
Posted By: GUEST,Ed
13-Jan-14 - 05:20 AM
Thread Name: An Anniversary, Sort Of
Subject: RE: An Anniversary, Sort Of
June 13 1854 would indeed seem to be the correct date.

Following my link above, you come to drawings from the United States Patent and Trademark Office where the date is clearly marked.