This is a downloadable product, no waiting for delivery.
Unlock the history behind your treasures with our expert guide.
We’ve packed lots of research and experience into one digital resource, Loads of information and featuring exclusive patent reference charts from Canada, the US, and the UK.
From identifying hand-wrought nails to deciphering rare pottery marks, this is the ultimate tool for any serious collector looking to verify the 'when' and 'where' of your treasures.
Ever found a patent number on a product and had no clue where to find the date?
Don’t let that mystery number stop your research. Most patent databases are a maze, especially with tricky systems like the UK’s—where the numbers actually reset every single year!
Our exclusive guide features clear, easy-to-read reference charts for US, Canadian, and UK patents.
If you have a Canadian, US or United Kingdom patent number, you’ll have the data you need to pin down its 'birth date' right at your fingertips. Stop guessing and start dating your collection like a pro.
