Filter

Details Filter Filter

1989-12-21

1993-04-06

Gergory, Bernarr E.

Environmental heating and cooling; fluid handling and sanitary e

Fluid handling or treatment equipment

Treatment

Patent

active

H00011576

ABSTRACT:
The ornamental design for a filter, as shown and described.

REFERENCES:
patent: D216691 (1970-03-01), Bates et al.
patent: D220958 (1971-06-01), Marsh
patent: D238363 (1976-01-01), Polens
patent: D265227 (1982-06-01), Jolley
patent: 4320004 (1982-03-01), Schecter
Mechantronics Design News, vol. 8, no. 2, 1983, p. 15.

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