Patents – Early Patents in Lanark County Ontario

Did any of your ancestors have a great idea for an invention?

If they did they may have applied for a patent. A Canadian patent is the government giving the exclusive right or title for a set period, especially the sole right to exclude others from making, using, or selling an invention. This patent is only valid in Canada. Patents issued before October 1, 1989, were valid for 17 years from the date of issue and after that date, they were valid for 20 years provided you paid the maintenance fee in full.

Here we present a overview of some of the registered patents of citizens from Ontario’s Lanark County, compiled by the Lanark County Genealogical Society and other contributors.

Lanark County Ontario patent owners are often considered as “Mothers of Inventions” that reflect the needs in the everyday life of our county’s creative minds. It’s an invaluable resource for scholars, students, and general readers interested in Lanark County Ontario Canada history.

You can find records on both application that did not get granted and those that did. You can search the Canadian Intellectual Property Office and the Library and Archives Canada. There are also some on

Contribute your summary and photos for those who are worthy of note to add to this posting. Email us at:

A guiding example to assist you with your submission. (maximum 250-300 words)

Patent number:299
Patent Year filing:1870-01-01
Name/City:ADAMS, F.M.: PERTH, Ontario, Canada
Year granted:1870-03-18

The simplest of the “modern” calculators is slightly more complicated than using an abacus that uses beads that slide on rods. It can be used to count, add, subtract, multiply and more.  The most common abacus is split into two basic rows: The top row for the “5”s, and the bottom row for the “ones”.  There are two beads in the top row, and five beads in the bottom one.

Some Lanark County Patents of early years

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