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THE HONG KONG GOVERNMENT GAZETTE, JUNE 28, 1935.
697
OFFICE OF REGISTRAR OF PATENTS.
No. 522. Notice is hereby given that the following United Kingdom Patent has been registered under the provisions of the United Kingdom Patents Ordinance, 1932 :-
No, and date of sealing.
Date of patent.
Present owner.
Nature of Invention.
Date of Registration.
No. 418,717 21th January, 1935
5th February, 1931.
28th June, 135.
H. H. Robertson Company, a corporation organized and existing under the laws of of the State of Pennsylvania, United States of America, of Grant Building, Third Avenue, Fourth Avenue and Grant Street, in the City of Pittsburgh, County of Allegheny and State of Pennsylvania, United States of America.
Improvements in
Ventilators.
24th June, 1935.
JAMES J. HAYDEN,
Registrar of Patents.
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