Title:
Luminescent signaling device
United States Patent 2656763


Inventors:
Frost, Kenneth L.
Application Number:
US16858950A
Publication Date:
10/27/1953
Filing Date:
06/16/1950
Assignee:
Frost, Kenneth L.
Primary Class:
Other Classes:
2/59, 116/35R, 250/462.1
International Classes:
G08B5/00
View Patent Images:
US Patent References:
2123478Light reflecting device1938-07-12
2078103Reflecting signal device1937-04-20
1244065N/A1917-10-23
0741133N/A1903-10-13
Foreign References:
AT108950B1928-02-25