Webjun 14, 2015 · ulster knife company, founded in the 1870's in ellenville, ny. From the 1870's through about 1940, produced very high quality pocketknives, similar to schrade. Webdec 20, 2006 · i have a old girl scout knife that is stamped ulster/dwight divine/&sons on the mark side of the main blade. Websep 28, 2017 · a user asks how to determine the age of an ulster barlow knife with a ulster knife usa and 10 tang stamps. Other users suggest uploading a picture of. Webaug 10, 2018 · i…