Title:
Vandalproof vent protector
Document Type and Number:
United States Patent 3363538


Inventors:
Harold, Stoneman
Morris, Earl L.
Lee, Curtice George
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Sponsored by:
Flash of Genius
Publication Date:
01/16/1968
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Assignee:
Stoneman
Primary Class:
454/3
International Classes:
F23L17/02; F23L17/00
US Patent References:
0445522
2277982Roof vent
2766677Flue control devices adapted for combustion heaters
2781716Draft equalizing stack head with rain guards
Foreign References:
GB310993A




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