Oil-well pump
United States Patent 1693102

Inventors:
Worthington, James P.
Publication Date:
11/27/1928
View Patent Images:
Download PDF 1693102 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Lory, Mildren J.
Primary Class:
417/408
Other Classes:
417/390, 415/91, 415/72, 415/186
International Classes:
F04D3/02; F04D3/00