Hatch plug
United States Patent 2239512

Inventors:
WEST VICTOR E
Publication Date:
04/22/1941
View Patent Images:
Download PDF 2239512 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
STANDARD RAILWAY EQUIPMENT MFG
Primary Class:
105/377.010
Other Classes:
220/592.200
International Classes:
B61D17/16; B61D17/04