Title:
Internal-combustion engine
United States Patent 1398667
Inventors:
Beals, Erl V.
Publication Date:
11/29/1921
Export Citation:
Click for automatic bibliography generation
Assignee:
Beals, Erl V.
Primary Class:
123/25C
Other Classes:
123/25Q
International Classes:
F02B47/02; F02M25/022; F02B47/00; F02M25/00
View Patent Images:
Download PDF 1398667        PDF help