Communications: electrical – Audible indication – Ultrasonic pest control
Patent
1998-04-22
1999-11-23
Lefkowitz, Edward
Communications: electrical
Audible indication
Ultrasonic pest control
62 92, 62285, 204164, G08B 300
Patent
active
059907835
ABSTRACT:
An ozone/supersonic wave insect expelling device has an ozone generating circuit and a supersonic wave generating circuit which use the same power source so to generate supersonic wave for expelling pest insect, and for generating ozone for clearing the air. Therefore, ozone/supersonic wave insect expelling device has a dual effect.
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patent: 4015366 (1977-04-01), Hall, III
patent: 4137062 (1979-01-01), Mullerheim et al.
patent: 4191647 (1980-03-01), Mullerheim et al.
patent: 5630915 (1997-05-01), Greeene et al.
patent: 5845504 (1998-12-01), LeBleu
Lefkowitz Edward
Long Well Electronics Corp.
Woods Davetta
LandOfFree
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