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THE HONG KONG GOVERNMENT GAZETTE, APRIL 8, 1938
OFFICE OF REGISTRAR OF PATENTS.
No. 292.-Notice is hereby given that the following United Kingdom Patents have been registered under the provisions of the United Kingdom Patents Ordinance, 1932:-
No. and date
Date of Patent.
of sealing.
No. 465,240
17th November,
1937.
31st July, 1936.
No. 446,224 16th July, 1936.
2nd August, 1933.
8th April, 1938.
Present owners.
II. H. Robertson Company, a Corporation organized and existing under the laws of the State of Pennsylvania, United States of America, of Grant Building, Pitts- burgh, State of Pennsyl- vania, United States of America.
Wingfoot Corporation, a Cor- poration organized and existing under the laws of the State of Delaware, United States of America, having its principal place of business at Wilmington, Delaware, and a post office address at 1144 East Market Street, Akron, Ohio, United States of America.
Nature of Invention.
Improvements relating to Magnesium Oxy- chloride Cement.
Improvements in Wrap-
ping.
Date of Registration.
4th April, 1938.
Do.
L. R. ANDREWES,
Registrar of Patents.
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