He sold the patent because he owed a man fifteen dollars. He it to the man he owed money to for four hundred dollars.
Patent
you can sell it.
When a patent owner dies, the patent is typically transferred to their estate or heirs. The estate or heirs can then decide to maintain or sell the patent rights.
Yes. You can sell nearly anything to the right buyer.
You can sell it at any time. However a marking of "patent pending" is only a warning (and maybe a deterrent to particularly risk averse would-be infringers) and does not provide any enforcement value. Once your pending patent issues, you can begin to enforce your patent rights if desired.
patent
patent
You can hunt, but you can't sell as there are no vendor npcs.
They wouldn't "steal" your patent, in the sense that you would still own the patent, but they could certainly use your patent to make, use and sell your invention in any other country where you failed to patent it.
patent
patent
a patent