The Technical World Magazine, Volume 23Technical World Company, 1915 |
From inside the book
Results 6-10 of 30
Page 275
... patent books published and read their letters - see what they want ! " SUCCESSFUL PATENTS " -tells how to proceed ; " STEPPING STONES " -contains list of over 200 inventions wanted , the truth about prizes , etc .; " PATENT PROMOTION ...
... patent books published and read their letters - see what they want ! " SUCCESSFUL PATENTS " -tells how to proceed ; " STEPPING STONES " -contains list of over 200 inventions wanted , the truth about prizes , etc .; " PATENT PROMOTION ...
Page 300
... patent carpet sweepers have to a certain extent supplanted the old - fashioned but still efficient broom , there is yet a necessary ate either of them . By a very simple . arrangement , a rotary brush , similar to that used by street ...
... patent carpet sweepers have to a certain extent supplanted the old - fashioned but still efficient broom , there is yet a necessary ate either of them . By a very simple . arrangement , a rotary brush , similar to that used by street ...
Page 302
... patented the processes - and he has given the patents freely to the American people . Secretary Lane of the Interior Depart- ment , in announcing Dr. Rittman's two chemical discoveries , said they were of epoch - making importance ...
... patented the processes - and he has given the patents freely to the American people . Secretary Lane of the Interior Depart- ment , in announcing Dr. Rittman's two chemical discoveries , said they were of epoch - making importance ...
Page 304
his new processes he can not do so until his foreign patents are issued . His American patents are at this minute the property of the American people . How- ever , he has given the following explana- tion , which is ample enough ...
his new processes he can not do so until his foreign patents are issued . His American patents are at this minute the property of the American people . How- ever , he has given the following explana- tion , which is ample enough ...
Page 318
... patented key . The meters are placed inside of neat boxes , which are well and " THE RUDE BRIDGE THAT ARCHED THE FLOOD " BY Y a skillful use of concrete , repro- ducing the original lines of a struc- ture of wood , " Old North Bridge ...
... patented key . The meters are placed inside of neat boxes , which are well and " THE RUDE BRIDGE THAT ARCHED THE FLOOD " BY Y a skillful use of concrete , repro- ducing the original lines of a struc- ture of wood , " Old North Bridge ...
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