PROTECT YOUR IDEA

P

ATENTS

Valuable Book on Patents FREE Telis how to secure them at low cost. How to Sell a Patent, and What to Invent for Profit. Gives Mechanical Movements invaluable to Inventors, Full of Money-Making Patent Information. NEW BOOK FREE to all who write. O'MEARA & BROCK, PATENT ATTORNEYS 918 F. Street, N. W., Washington, D. C.

Secured promptly and with special regard

PATENTS to the legal protection of the invention.

HAND BOOK FOR INVENTORS AND MANUFACTURERS SENT FREE UPON REQUEST. Consultation Free. No charge for opinion as to the patentability and Commercial Value of Inventors' Ideas. HIGHEST REFERENCES FROM PROMINENT MANUFACTURERS.

C. L. PARKER, Patent Lawyer

Patents, Caveats, Trade Marks, Copyrights, Reports as to Patentability, Validity

and Infringement. Patent Suits Conducted in all States.

REFERENCES: Globe Machine and Stamping Co., Murray Engineering Co., Morgan Machine and Engineering Co., Berkshire Specialty Co., Stewart Window Shade Co., Macon Shear Co., Acme Canopy Co., Lippencott Pencil Co., Salisbury Tire Association of America, Inventors' and Investors' Corporation, Oakes Manufacturing Co., Cox Implement Co., Columbus Buggy Co., National Index Co, By-Products Co., Alabama Brewing Co., National Offset Co., Antiseptic Supply Co., Richmond Electric Co., Railway Surface Contact Supplies Co., National Electric Works

Mr. Parker on November 1st, 1903, after having been a member of the Examining Corps of the U. S. Patent Office for over five years, resigned his position as Examiner to take up the practice of patent law.

Let me Sell your Patent PATENTS SOLD

ON COMMISSION

If you wish to buy or sell a patent write for my booklet
"How to Sell a Patent" or my list of patents for sale.
E. L. PERKINS, President Inventors' Exchange
82 Broad Street,
BOSTON, MASS.

Send model or sketch for free report as to Patentability. Send for finest publications ever issued for free distribution "HOW TO OBTAIN A PATENT." with 100 MECHANICAL MOVEMENTS illustrated and described, and "WHAT TO INVENT," containing valuable LIST OF INVENTIONS WANTED.

ONE MILLION DOLLARS offered for one invention, $16,000 for other.

"WORLD'S PROGRESS" Copy free.

Patents advertised free in

EVANS, WILKENS & CO.. 615 F Street, WASHINGTON, D. C.

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at your home. For a limited time we will give free, for advertising purposes, 96 music lessons for beginners or advanced pupils on either Piano, Organ, Banjo, Guitar, Cornet, Sight Singing, Violin or Mandolin (your expense will only be the cost of postage and the music you use, which is small). We teach by mail only and guarantee success. Established seven years. Hundreds write: "Wish I had heard of your school before." Write to-day for booklet, testimonials and free tuition blank. Address: U. S. SCHOOL OF MUSIC, Box 130G, 225 Fifth Avenue, N. Y.

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