Perfin Covers of the United States - "O" Patterns

Oklahoma Agricultural & Mechanical College, Stillwater, OK

The Ocean Accident and Guarantee Corporation, Ltd, New York, NY

Ohio Brass Company, Mansfield, OH

O.C. Kanzow & Company, New York, NY

Oliver Chilled Plow Works, Atlanta, GA

Old Dominion Steamship Co., Norfolk, VA

Old Dominion Steamship Company, Norfolk, VA

Otto Eisenlohr & Brothers Company, Philadelphia, PA

Standard Oil Company, Dayton, OH

Standard Oil of Ohio, Cleveland, OH

Standard Oil Company, Columbus, OH

Oscar Heyman & Company, New York, NY

Owens-Illinois Glass Company, Toledo, OH

O.K. Houck Piano Company, Memphis, TN

The Grail, New York, NY

Association of Our Lady of Victory, Lackawanna, NY

Oakland Motor Car Company, Pontiac, MI

Oliver Machinery Co., Grand Rapids, MI

Olds Motor Works, Lansing, MI

Omaha National Bank, Omaha, NB

Oskamp Nolting Company, Cincinnati, OH

Ontario Power Company, Niagara Falls, NY

Oklahoma Pipe Line Company, Tulsa, OK

Pattern owner: Ogus, Rabinovich & Ogus, Inc.; Pattern User: Saltzer Millinery Co., Atlanta, GA

Owner: Oregon Railroad & Navigation Company, Portland, OR. Apparent incidental use

Oregon Short Line Railroad Company, Boise, ID

Oregon Stamp Society, Portland, OR

Unknown Company; probable incidental use

Oliver Typewriter Company, Chicago, IL

First National Bank of Boston, Boston, MA

Otis Elevator Company, Philadelphia, PA

Otis Elevator Company, New York, NY

Otis Elevator Company, San Francisco, CA

Pattern Owner: Otis Manufacturing Company, New Orleans, LA
User: Unknown, New Orleans, LA

Otter Tail Power Company, Devils Lake, ND

State of Ohio, Bureau of Vital Statistics, Columbus, OH

New York, Ontario & Western Railway Company, Middletown, NY

Pattern Owner: Oregon-Washington Railroad & Navigation Company, General Offices: Portland, OR
User: Union Pacific System, Tacoma, WA

Pattern Owner: Oregon-Washington Railroad & Navigation Company, General Offices: Portland, OR
User: Camas Prairie Railroad Company, Lewiston, ID

Oil Well Supply Company, Dallas, TX

Oxford University Press, New York, NY

Otto Young & Company, Chicago, IL

Owens & Minor Drug Co., Ltd., Richmond, VA

A. Ortmayer & Son, Chicago, IL