Phosphate coating of incandescent lamp
United States Patent 2843504

Inventors:
Bakel, Henricus Antonius Van
Maria, Gast Theodorus Adrianus
Publication Date:
07/15/1958
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Assignee:
PHILIPS CORP
Primary Class:
Other Classes:
427/368
International Classes:
C09K11/02; H01K3/00
US Patent References:
2706691Method of coating glass bulbs