Title:
Highway obstruction
United States Patent 1649877

Inventors:
Walston, Joseph A.
Publication Date:
11/22/1927
View Patent Images:
Download PDF 1649877 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Albert, Green N.
Giles, Avriett L.
Primary Class:
49/273
Other Classes:
14/71.100, 404/6, 49/131, 404/15, 49/374, 235/99A, 238/3, 116/DIG.016, 404/11
International Classes:
E01F9/047; E01F9/04