You should hire an attorney when filing for a patent.
In order for an invention to be patented, it must be cost efficient and effective. If the invention does not work, it cannot be patented.
1885, 1892, 1894
That was the Tesla coil.
He patented the fountain pen. He did not make it.
Probably not. Better to hire an attorney if you think you have a marketable invention.
To get an invention patented in the United States, one must fill out an application form. The forms are available on the United States Patent and Trademark Office website.
To file a record that shows you own the invention.
jew momma
jew momma
Thermos
Thermos
Although Einstein is most famous for his work in physics, he did invent and patent a refrigerator. It was his only patented invention.