Thread: Let's Play "guess my tool"
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Old 01-29-17, 10:39 AM
  #11  
WizardOfBoz
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Originally Posted by kcblair
Now it looks like Pat # 3, 828, 890, but there are number and letters below, that I just can't make out, other than "AN **** 0 7997 .

That's with a 15X loupe.
That's it!

https://www.google.com/patents/US3828890
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