66901-1920-Letters-Patent-Grant-of-to-the-Marconi-Wireless-Telegraph-Co--Ltd- — Page 1

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THE HONGKONG GOVERNMENT GAZETTE, DECEMBER 10, 1920.

No. 603. It is hereby notified that the following Letters Patent- have been granted :--

Number.

Date of Grant.

Name of Grantee.

Address of Grantee.

No. 25 of 1920.

7th December, 1920.

Marcoui's Wireless Tele- Marconi House,

graph Co., Ltd., Elec- Strand, London, England.j trical Engineers.

9th December, 1920.

Description of Invention.

An invention for improve- ments in the employ- ment of thermionic devices for maguifica- tion purposes.

C. D. MELBOURNE,

Registrar of Patents.

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