[Main Page]

Rechnerlexikon

Die große Enzyklopädie des mechanischen Rechnens

3.227.233.6 | Log in | Help

  DE  EN  FR  IT 
Main Page
All pages
Recent changes

Printable version

article
image
patent

Special pages

patent

Patents  Canada  1889

 
  • Patent:CA31618 18.06.1889 Franklin W. Brooks : Coin operated calculating machine
  • Patent:CA36741 06.01.1889 Fowler, George B. (P) : Adding machine
  • Patent:CA38089 01.02.1889 Joseph Edward Blackshaw, George Henry Rogers : Adding machine
  • Patent:CA49823 09.05.1889 Joshua Snider, Edgar Troyer : Calculating machine

Create Patent:
Country:    Number: 
Patentsearch:
Country:  Year: from to
Search for: