Application for a patent for an invention may be made by any of the following persons, that is to say:
(a) a person claiming to be the inventor of the invention who owns the invention in respect of Zambia;
(b) an assignee;
(c) a person entitled under subsection (1) of section eight;
(el) the legal representative of any person who immediately before his death or disability was entitled to make such application;

and may be made by any above-mentioned person either alone or jointly with any other person.