Questions tagged [us680106]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
4
votes
2answers
67 views

How can I determine the date of a patent sale?

My great grandmother Lizzie M. Adams sold her patent (number 680,106) to C. H. Munson in the early 1900s, I think. I have a newspaper article of the sale but no date.