Messrs. Baldwin Sou and Carey, Patent Attorneys, Dingwall Building' Queen Street, Auckland; Head Office,' Wellington, report that recently they acted as agents in filing the following applications for Letters Patent:—Telefunken Gesellscliaft fur drahtlose Telegraphic in.b. 11., Berlin, Direction finding radio receivers; Hoover, Ltd., Middlesex, Suction cleaners; K. ]. Du Pont Do Nemours and Co., Delaware, .Manufacture of ruby glass; Calm, M.. Auckland, lii)provedlii)proved luminous . switch for electric circuits; Winget, Ltd., and Stancliffe, C. \V.. Kent, Means for testing the proportion of concrete. Send for "INVENTORS' GUIDE"' Post Free. —Advt..
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New Zealand Herald, Volume LXXVI, Issue 23269, 11 February 1939, Page 14
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88Page 14 Advertisements Column 1 New Zealand Herald, Volume LXXVI, Issue 23269, 11 February 1939, Page 14
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