PATENT AGENCY
AT Washington City, ID. G.
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ZENAs c. ROBBINS, Mechanical Engineer
~ and Agent for procuring Patents, will prepare
the necessary drawings and papers for applicants
for patents, and transact all other business in the


line OF his profession at the Patent Office. He can
be consulted on all questions relating to the patent
laws and decisions in the United States or Europe
Persons at distance desirous Of having examina-
tons made at the Patent Office, prior to making ap-
plicatien for patent, may forward (post paid, en-
closing fee Of five doars) clear statement Of their
case, when immediate attention will be given to ii,
and all the information that could be obtained by
visit Of the applicant in person, promptly commun-


All letters on business must be post paid, and
contain suitable fee. where written opinion Is re-
CURED Office on F street, opposite the Patent OF
flee. He has the honor of referring, by permission,
to Hon. Edmund Burke, Com. Of Patents; Hon. H
Il. Ellsworth, late Com. of Patents H. Knowles,
Machinist, Patent Office; Judge Cranch, Washing
ton, d. c.; Hon. r. Choate, Mass, U. 8. Senate;
Hon. w. Allen, Ohio, U. 8. Senate; Hon. !. B.
Bowlin, M. O., Missouri; Hon. Willis Hail. N. ";
Hon. Robert Smith, M, c. Illinois; Hon. 8. Breese,
U. 8. Senate; Hon. ]. H. Relfe, M. c., Missouri;
Capt H. M. Shreeve, Missouri. IA


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