A comprehensive catalogue of useful books by different
authors, on more than fifty different subjects, has recently been
published, for free circulation, at the office of this paper. Subjects
classified with names of author. Persons desiring a copy have only to
ask for it, and it will be mailed to them. Address,
MUNN & CO., 361 BROADWAY, NEW YORK.
* * * * *
PATENTS!
Messrs. MUNN & CO., in connection with the publication of the
SCIENTIFIC AMERICAN, continue to examine improvements, and to act as
Solicitors of Patents for Inventors.
In this line of business they have had _forty-five years' experience_,
and now have _unequaled facilities_ for the preparation of Patent
Drawings, Specifications, and the prosecution of Applications for
Patents in the United States, Canada, and Foreign Countries. Messrs.
Munn & Co. also attend to the preparation of Caveats, Copyrights for
Books, Labels, Reissues, Assignments, and Reports on Infringements of
Patents.
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