Fishing – trapping – and vermin destroying – Vermin destroying
Patent
1993-02-10
1994-10-11
Bradley, P. Austin
Fishing, trapping, and vermin destroying
Vermin destroying
43 1, 116 22A, 52101, A01M 110
Patent
active
053535430
ABSTRACT:
A device for deterring bird intrusion to a space includes permanent magnets mounted on a carrier supported at the space to be protected, the carrier being supported to be rotatable so the that by rotation of same, the bird deterring magnetic field established has intensity and/or orientation change, this with employment of a field with induction of abnormally high gauss level, creates a condition highly physiologically discomforting to a bird encountering the field and such much so that the bird leaves the space area and/or its environs.
REFERENCES:
patent: 4131079 (1978-12-01), Rousseau
patent: 4962619 (1990-10-01), Chatten
patent: 5095646 (1992-03-01), Bunkers
patent: 5148621 (1992-09-01), Rosen
patent: 5162014 (1992-11-01), Moore
patent: 5255896 (1993-10-01), Letarte
Bradley P. Austin
Brandt Jr. George J.
Miner James
Morrison Thomas R.
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