Root irrigator

Details Root irrigator Root irrigator

1982-06-23

1985-03-19

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

47 485

Patent

active

D02780763

REFERENCES:
patent: D158596 (1950-05-01), Laek
patent: D204288 (1966-04-01), Cefaldo
patent: D253224 (1979-10-01), Roehrieh
patent: 584886 (1897-06-01), Mead
patent: 666072 (1901-01-01), Sherman
patent: 903452 (1908-11-01), Cleveland
patent: 1029107 (1917-06-01), Couls
patent: 2105800 (1938-01-01), Watkins
patent: 2909328 (1959-10-01), Babyak
patent: 4087938 (1978-05-01), Koch
patent: 4300309 (1981-11-01), Mincy

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