PATENT SENSE
and Patents that PROTECT
yield our clients enormous profits. Write us for proof. Inventors lose millions through worthless patents
R. S. & A. B. LACEY
Dept. 55 Washington, D. C. Estab. 1869
The Inventor’s Universal Educator
Tells all about Patents, how to secure them. Has
- 600 Mechanical Movements, also
- 50 Perpetual Motions
Every inventor should have a copy. Price. $1.00 by mail
ADDRESS
FRED. O. DIETRICK, Ouray Building, Washington, D. C.