Controller

Details Controller Controller

1993-10-29

1994-12-06

Word, A. Hugo

Environmental heating and cooling; fluid handling and sanitary e

Fluid handling or treatment equipment

Valve or body therefor

Patent

active

D03531880

REFERENCES:
patent: 201637 (1878-03-01), Treat
patent: D263069 (1982-02-01), Citon et al.
patent: 901172 (1908-10-01), Holgan
patent: 2398015 (1946-04-01), Leathers
patent: 2527095 (1950-10-01), Hare
patent: 2577180 (1951-12-01), Buchi
patent: 2637987 (1953-05-01), Hill et al.
patent: 2767681 (1956-10-01), Pontius
patent: 3301362 (1967-01-01), Helland
patent: 4317253 (1982-03-01), Gut et al.
patent: 4644809 (1987-02-01), Howse

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