Lawn sprinkler

Details Lawn sprinkler Lawn sprinkler

1984-04-20

1985-12-31

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

Patent

active

D02819961

REFERENCES:
patent: D186011 (1959-08-01), Benjamin
patent: D218970 (1970-10-01), Mango et al.
patent: D218971 (1970-10-01), Mango et al.
patent: D218972 (1970-10-01), Mango et al.
patent: D269367 (1983-06-01), Maekay et al.
patent: 2921474 (1960-01-01), Ballard
patent: 2945385 (1960-07-01), Nelson
patent: 3055595 (1962-09-01), Bohn et al.
patent: 3222655 (1965-11-01), Mattson
patent: 3286929 (1966-11-01), Henningsen
patent: 3423024 (1969-01-01), Morawetz
patent: 3559888 (1971-02-01), Miklos
patent: 4457471 (1984-07-01), Roman
Hardware Age, Mar. 21, 1963, p. 71, Item 6.

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