the patent number is 5209584
No, Louis Braille did not get a patent on Braille. He created the Braille system in 1824 as a method for people with visual impairments to read and write. Braille is now used worldwide as a standard tactile writing system.
It is known a Braille.
It is called a Braille.
It is known a Braille.
1476
He didn't
BRAILLE!!!
The braille alphabet
A system of printing or writing for the blind in which the characters are represented by tangible points or dots. It was invented by Louis Braille, a French teacher of the blind.
If it is a U.S. patent, you can go to the USPTO website for patent searches and enter the number in "patent number search".
Patent pending is a warning that a patent application has been filed. It is completely worthless until and unless a patent is actually issued for that invention. Patent number notice means a patent with that number was issued for the invention that is implemented in the product labeled with that number.
There is no specific patent number for the mailbox.