Biddington's provides a list of patent numbers cross-referenced with the dates
they were issued to help in determining the age of antiques and collectibles. ...
BRITISH PATENT NUMBER SEARCH · United States Patent and Trademark
Feb 18, 2016 ... Table of Issue Years and Patent Numbers, .... That file may be accessed from:
U.S. patent date chart. this chart will help you find the year an item was patented
if you know the patent number, also design patents. Brought to you by ... U.S.
Patent search link above takes you off RobinsonsAntiques.com site. English
patented-antiques.com Buys & sells antique tools, transits, theodolites, surveying
... Below is a chart giving the year and patent numbers issued during that year. ...
Here is the link to Google's Patent Search. http://www.google.com/patents It is ...
You may browse our patent archive by selecting the appropriate browse method (
by Company, Category, Issue Date, or Patent Number). You can also search ...
Dating American Clocks by Their Patent Numbers. Parts found in many American
clocks may be marked with one or more United States patent numbers.
Oct 20, 2010 ... Patent Information found on antique bottles can be an excellent ... to check the
patent number on your bottle with the following patent date chart.
You must realize that free and open information is the Enemy of the Antique
Dealer -- his (her) whole ... area, click on the phrase "Patent Number Search".
Dating antique bottles - just how old is my bottle? ... If your bottle is American and
has a patent number, check out this Table of U.S. Patent Numbers to help date ...
You will need to know the patent number and year of issue. ... Search Google
Books using keywords 'Bennett Woodcroft' to find copies of some of these