Vacuum flush toilet

Details Vacuum flush toilet Vacuum flush toilet

1992-04-02

1994-03-29

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Sanitary fixture or housing therefor

Water closet, bidet or bowl therefor

Patent

active

D03455963

REFERENCES:
patent: D16139 (1885-06-01), Mansur
patent: D44911 (1913-11-01), Alpaugh
patent: D114166 (1939-04-01), Andersen et al.
patent: D114167 (1939-04-01), Andersen et al.
patent: D198122 (1964-05-01), Whitehouse
patent: D292733 (1987-11-01), Robinson et al.
patent: 3811135 (1974-05-01), Drouhard, Jr. et al.
patent: 4275470 (1981-06-01), Badger et al.
patent: 4357719 (1982-11-01), Badger et al.
patent: 4376315 (1983-03-01), Badger et al.
patent: 4521925 (1985-06-01), Chen et al.

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