Finding list for United States patent, design, trade-mark, reissue, label, print, and plant patent numbers
By: by Merle Randall ... and Evelyn Boelter Watson.
Contributors: Watson, Evelyn Boelter.; University of California, Berkeley. Dept. of Chemistry.
Publisher: University of California Press
Published: 1938
Place of publication: Berkeley, Calif
Language: eng
Number of pages: 31
Subjects: Patents -- United States -- Indexes.; Trademarks -- United States -- Indexes.