Title:
Traffic control method and structure
United States Patent 3256625


Inventors:
Nelson, Thomas M.
Application Number:
US17955662A
Publication Date:
06/21/1966
Filing Date:
03/14/1962
Assignee:
Nelson, Thomas M.
Primary Class:
Other Classes:
40/612, 116/63R
International Classes:
G08G1/095
View Patent Images:
US Patent References:
2167564Portable traffic signal1939-07-25
2088762Multiple display card1937-08-03
1802553Accordion display1931-04-28
0385912N/A1888-07-10
0164514N/A1875-06-15
Foreign References:
FR1025317A1953-04-14
GB190517232A1906-02-22
GB280449A1927-11-17
GB357497A1931-09-24