Title:
Luminous display unit
United States Patent 2515820


Inventors:
Clark, George P. R.
Application Number:
US62241945A
Publication Date:
07/18/1950
Filing Date:
10/15/1945
Assignee:
Clark, George P. R.
Primary Class:
Other Classes:
40/725, 174/66, 200/310, 220/241, 250/466.1
International Classes:
H01H9/18
View Patent Images:
US Patent References:
1522169Switch plate1925-01-06
1385300Illuminating device for switches, &c.1921-07-19
1220418N/A1917-03-27
1202589N/A1916-10-24
0953053N/A1910-03-29
0899873N/A1908-09-29
0737124N/A1903-08-25
0527744N/A1894-10-16
0296431N/A1884-04-08