128.—The controller may on request made in the prescribed manner by the registered proprietor of a patent, design, or trade mark or by some person entitled by law to act in his name—
(a) correct any clerical error in or in connection with an application for a patent or in any patent or in any specification or in any register kept pursuant to any of the foregoing Parts of this Act;
(b) enter any change in the name or address of any person who is entered on a register kept pursuant to any of the foregoing Parts of this Act;
(c) cancel the registration of a design or trade mark either wholly or in respect of any goods or class of goods in or for which such design or trade mark is registered;
(d) enter a disclaimer or memorandum relating to a design or trade mark which does not in any way extend the rights given by the existing registration of such design or trade mark.