Republican (nationalist) President Grant signs the Trade Mark Act of 1870, giving corporations exclusive ownership over unique symbols that identify their products.
NOTE: Although Article I, Section 8 [Clause 8] of the Constitution for the united States authorizes Congress to regulate the granting of copyrights and patents, it makes no such provision for trademarks.
[added 5/9/2022]1
Subsequent Events:
Authority:
“Law of the Jungle”
ccc-2point0.com/preface
References:
Copyright Act of 1870 – Wikipedia
en.wikipedia.org/wiki/Copyright_Act_of_1870