PDA

View Full Version : Patent #'s and dates


Jeff (or)
10-14-2011, 09:00 PM
I post this every year or two. It helps if you find a relic with a patent # and want to put an approximate date to it. :interesting: Jeff
tanacat
10-16-2011, 07:40 AM
Nice thumbsup01 thanks Jeff!
aloldstuff
10-17-2011, 07:08 AM
Very useful info, thanks
Tennessee
10-13-2012, 02:14 PM
Will be very helpful, Thanks
BTV Digger
02-20-2014, 12:28 PM
Nice resource Jeff. I saved the image file for easy future reference and something you could even put on your mobile device in the field for quick dating!
JdsCoins
03-08-2014, 09:52 PM
Awesome resource. Thanks for posting! :grin: