Trade marks
Subtitle: watch cases, pocket watches, precious stones, diamonds
By: by Roy Ehrhardt.
Publisher: Ehrhardt : [available from Heart to America Press]
Published: 1976
Place of publication: Kansas City, Mo
Language: eng
Number of pages: 127
Subjects: Jewelry -- Trademarks.; Clocks and watches -- Trademarks.
Notes: Cover title.
Includes index.