Title:
Extension plumb rod
United States Patent 2245646

Inventors:
Bullivant, Lingham J.
Publication Date:
06/17/1941
View Patent Images:
Download PDF 2245646 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Bullivant, Lingham J.
Primary Class:
33/353
Other Classes:
33/333, 33/579, 33/809, 33/371, 33/354, 33/392
International Classes:
G01C15/10