Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Fitting
Patent
1992-07-21
1994-10-25
Word, A. Hugo
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Fitting
Patent
active
D03518981
REFERENCES:
patent: 1583982 (1926-05-01), Long
patent: 1756378 (1930-04-01), Oberhuber
patent: 3857132 (1974-12-01), Knapp et al.
patent: 4244073 (1981-01-01), Sazawa
patent: 4603449 (1986-08-01), Knapp
Pipeline Dehydrators, Inc.
Watterson Eric
Word A. Hugo
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