le caveats, procure design
patents, trade marks, and re-issues, attend to rejected cases
(prepared by the inventor or other attorneys), procure copyrights,
attend to interferences, give written opinions on matters of
infringement, furnish copies of patent business, both in this and in
foreign countries.

A special notice IS made in the SCIENTIFIC AMERICAN of all inventions
patented through this agency, with the name and residence of the
patentee. Patents are often sold, in part or whole, to persons
attracted to the invention by such notice.

Patents obtained in Canada, England, France, Belgium, Germany, Russia,
Prussia, Spain, Portugal, the British Colonies, and all other
countries where patents are granted, at prices greatly reduced from
former rates. Send for pamphlet pertaining specially to foreign
patents, which states the cost, time granted, and the requirements for
each country.

COPIES OF PATENTS.

Persons desiring any patent issued from 1836 to November 26, 1867, can
be supplied with official copies at reasonable cost, the price
depending upon the extent of drawings and length of specifications.

Any patent issued since November 27, 1867, at which time the Patent
Office commenced printing the drawings and specifications, may be had
by remitting to this office $1.

A copy of the claims of any patent issued since 1638 will be furnished
for $1.

When ordering copies, please remit for the same as as above, and state
name of patentee, title of invention, and date of patent.

A pamphlet, containing full directions for obtaining United States
patents, sent free. A handsomely bound Reference Book, gilt edges,
contains 140 pages and many engravings and tables important to every
patentee and mechanic, and is a useful handbook of reference for
everybody. Price 25 cents, mailed free.

Address
MUNN & CO.,
Publishers SCIENTIFIC AMERICAN
37 PARK ROW, N.Y.

BRANCH OFFICE--Corner of F and 7th Streets, Washington, D.C.

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EMERSON'S PATENT DAMASCUS TEMPERED SAWS

Patent Planer, Clipper, Lumberman's Clipper, from clipper cross-cut,
Universal Adjustable Saw Swage, Band Saws for Saw Mills and re-sawing,
and solid saws of all kinds. Are superior to all others, Extra Thin
Saws a specialty. Send your full address, plainly written, for Price
List and Circular to Emerson, Smith & Co., Beaver Falls, Pa.,
Successors to Emerson, Ford & Co.

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