Air intake control valve member for swimming pools and spas

Details Air intake control valve member for swimming pools and spas Air intake control valve member for swimming pools and spas

1990-01-24

1993-04-06

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Fluid handling or treatment equipment

Valve or body therefor

D23261

Patent

active

D03346161

REFERENCES:
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patent: 4823413 (1989-04-01), Chalberg et al.
patent: 4901379 (1990-02-01), Chalberg et al.

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