Drain pipe

Details Drain pipe Drain pipe

1980-01-15

1982-04-27

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

405 43, D2301

Patent

active

D02641160

REFERENCES:
patent: D19677 (1980-03-01), Carter
patent: D19731 (1890-04-01), Carter
patent: D235104 (1975-05-01), Maroschak
patent: 463871 (1891-11-01), Reading
patent: 661109 (1900-11-01), Schmitz
patent: 988639 (1911-04-01), Johnson
patent: 1350229 (1920-08-01), Lee
patent: 2196708 (1940-04-01), Reid
patent: 4016727 (1977-04-01), Osaka et al.
patent: 4134268 (1974-01-01), Elmoro
patent: 4140421 (1979-02-01), Lloyd

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