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Using Patent Marks to Identify Country of Origin

United States
Use the United States Patent and Trademark Database

Patented June 13, 1865
or
Pat. #2354167

American patent numbers are usually associated with a date and/or a number with the “#” sign or just the abbreviation "pat.

Germany

D.R.P. or D.R.

Ges. Gesch.

Ges. Mbh
Gebruder

Fabrikmarke
West Germany

DRP is the German abbreviation for Deutsches Reich Patent. Older German items are often marked "D.R.P." or "DR".
Ges. Gesch.: abbreviated form of Gesetzlich Geschutzt: legally protected, patented, copyrighted
Ges. Mbh: means "company" or "corporation"
Gebruder: means "brothers" as in Gebruders Resch ("Resch Brothers")
Fabrikmarke: means "factory mark
West Germany: used from 1948-1991

France
Use the French Trademark Database

Brevet or Brevete

Cie or Compagnie
Déposé
Modele Déposé
Marque Déposé
Marque de Fabrique
Décore a la main
Bté. SGDG

Brevet or Brevete is French for "patent" or "patented." Remember, it is NOT the maker's name!
Cie or Compagnie means "company."
Déposé means "registered"
Modele Déposé means "registered design"
Marque Déposé means "trademark"
Marque de Fabrique means "trademark."
Décore a la main means "hand decorated."
Bté. SGDG is the abbreviation for Breveté Sans Garantie du Gouvernement which means "Patented Without State Guarantee."

Italy

Brevetti

Brevetti means "patent" in Italian. Remember, it is NOT the maker's name.

Switzerland

PATENT +223450

Swiss items are usually marked with a cross, as in PATENT + 223450
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