Traffic counter
United States Patent 2403277

Inventors:
Hall, Glen R.
Publication Date:
07/02/1946
View Patent Images:
Download PDF 2403277 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Hall, Glen R.
Primary Class:
92/5R
Other Classes:
242/395, 200/86A, 92/90, 137/355.260, 377/9, 242/406, 242/400
International Classes:
G08G1/02