Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Treatment
Patent
1985-01-22
1987-12-15
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Treatment
Patent
active
D02932636
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patent: 4453278 (1984-06-01), Doggett et al.
patent: 4455692 (1984-06-01), Hegge et al.
patent: 4459710 (1984-07-01), Keyes et al.
Boyle-Midway Household Products, Inc.
Burke Wallace R.
Vinson Brian N.
Wilfond Arthur E.
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