Environmental heating and cooling; fluid handling and sanitary e – Miscellaneous
Patent
1997-09-05
2000-08-29
Lichtenstein, Lisa
Environmental heating and cooling; fluid handling and sanitary e
Miscellaneous
D23375, 2304
Patent
active
D04302842
REFERENCES:
patent: 4008851 (1977-02-01), Hirsch
patent: 4374534 (1983-02-01), Jespus et al.
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