Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Fitting
Patent
1990-10-29
1991-12-03
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Fitting
Patent
active
D03221202
REFERENCES:
patent: D244533 (1977-05-01), Eidelberg et al.
patent: D256046 (1980-07-01), Perrin
patent: D281525 (1985-11-01), Gilbert
patent: D285109 (1986-08-01), Jornhagen
patent: D285247 (1986-08-01), Jornhagen
patent: 3081102 (1963-03-01), Murray et al.
patent: 3504917 (1970-04-01), Malmstrom
patent: 3615097 (1971-10-01), Malmstrom
patent: 3713659 (1973-01-01), Derman et al.
patent: 4544164 (1985-10-01), Cuijpers
CR Seal Catalog 457010, effective Jan. 1986, p. 275, items CT1, CT3 & CT4, p. 277, items VR1, VR3 & VR4.
Forsheda AB
Largen James R.
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