408. Construction of licence.

Generally, a licence granted under a patent1 to manufacture implies a licence to use2, and a licence to vend gives the right to licence purchasers to use, or sell again, the article purchased3. A licence merely to 'use and exercise' may also from its general terms be extended so as to authorise manufacture and sale4, or import for subsequent sale and distribution5. A personal licence to use certain goods, the property of the licensor, does not, however, give the power to license others to use them