Patent #'s and dates

[Jeff (or)]

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]

Nice thumbsup01 thanks Jeff!

 

[aloldstuff]

Very useful info, thanks

 

[Tennessee]

Will be very helpful, Thanks

 

[BTV Digger]

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]

Awesome resource. Thanks for posting! :grin: