Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1982-08-23
1984-12-04
Word, A. Hugo
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D02766469
REFERENCES:
patent: 3504384 (1970-04-01), Hill et al.
patent: 3618143 (1971-05-01), Radley et al.
patent: 4208747 (1980-06-01), Dirksing
patent: 4432102 (1984-02-01), Woodruff et al.
Brigade Toilet Bowl Cleaner, back of box showing device and package insert.
American Home Products Corporation
Wilder Lynn
Wilfond Arthur E.
Word A. Hugo
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