H - Electricity – 01 – K
Patent
H - Electricity
01
K
313/88, 313/172.
H01K 1/32 (2006.01)
Patent
CA 1154816
D-22,450 - 5 - LAMP HAVING OPAQUE COATING ABSTRACT An incandescent lamp has on a portion of the lamp envelope a dark coating comprising manganese dioxide and aluminum phosphate.
365054
Gte Products Corporation
R. William Wray & Associates
LandOfFree
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