Spark arrester
United States Patent 1884438

Inventors:
Weinland, Hermon G.
Publication Date:
10/25/1932
View Patent Images:
Download PDF 1884438 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
SAFETY GRINDING WHEEL & MACHIN
Primary Class:
451/455
International Classes:
B23Q11/08; B24B55/06; B24B55/00