Content of patent.
Section 20
SEC. 20. Content of patent.—The patent shall contain the patent number, the title of the invention, the name and residence of the inventor and of the patentee if the patentee be other than the inventor, the date on which the application was filed, the the on which it is issued, and a grant to the patentee, his heirs or assigns, of the exclusive of the invention throughout the Republic of the Philippines for the term thereof. A copy of the specification and drawings shall be annexed to the patent and be a part thereof.