Liquid purification or separation – With repair or assembling means
Patent
1997-01-21
1998-10-13
Popovics, Robert
Liquid purification or separation
With repair or assembling means
210167, 210238, 210406, 2104161, 21049701, 210499, 210470, 210471, 210474, 2104931, 210435, 210441, 433 92, 433 97, B01D 2900, B01D 2708, A61C 1706
Patent
active
058207538
ABSTRACT:
Undesired contact with dental debris is minimized by a disposable dental trap which is provided with a removable top cover and a pivotable handle. The useful capacity of the trap is increased with a corrugated filter which increases the available filter surface area and thereby reduces the frequency of trap replacement.
REFERENCES:
patent: 3542201 (1970-11-01), Belonger et al.
patent: 4154679 (1979-05-01), Farage
patent: 4169059 (1979-09-01), Storms
patent: 5407565 (1995-04-01), Austin, Jr.
patent: 5567323 (1996-10-01), Harrison, Jr.
patent: 5571412 (1996-11-01), Nerli
Coltene / Whaledent Inc.
Popovics Robert
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