Talk:Benjamin Forstner

Latest comment: 7 years ago by Jahobr in topic Patent, conflicting date

Patent, conflicting date edit

The article states he patented the forstner drill at September 22, 1874. The Canadian Patent is from 6. March 1886, see : https://worldwide.espacenet.com/publicationDetails/originalDocument?CC=CA&NR=23548A&KC=A&FT=D&ND=&date=18860306&DB=&locale=de_EP# — Preceding unsigned comment added by Jahobr (talkcontribs) 21:56, 21 November 2016 (UTC)Reply