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There is no US patent 555408021. There is also no US patent 55408021.
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∙ 10y ago
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What is patent lamper?
a person who holds a patent lamp
Patent number on antique ..how to look up the original patent?
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".
Who holds the patent for the pen drive?
Edigital in my opinion
What is a patent pending or patent number notice?
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.
Who is iula o Carter?
Iula O. Carter is an inventor and educator in Ohio. She invented the portable nursery chair (potty chair) and holds the patent for it dated Feb. 6, 1960 and the patent number is 2923950.
What is the patent number for printing braille?
the patent number is 5209584
What was the patent number for the mailbox?
There is no specific patent number for the mailbox.
Who holds the inventor patent for the pocket hat?
EBSCO Industries.
What is a patent number?
A patent number is the code that helps identify an invention.
Which US president holds a patent?
Abraham Lincoln. He received a patent in 1849 related to an idea he had about preventing ships from running aground.
What is the US patent number for Humira?
The US patent number is US 7198789 B2.
Who holds us patent four?
US patent 4 was awarded to Thomas Blanchard in 1836, for a machine to round the ends of tackle blocks.
