Ultrasonic cockroach repellent
Description
FIG. 1 is a top, left, front perspective view of an ultrasonic cockroach repellent illustrating my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a left side elevational view thereof; and,
FIG. 7 is a right side elevational view thereof.
Referenced Cited
Patent History
Patent number: D332987
Type: Grant
Filed: Oct 26, 1990
Date of Patent: Feb 2, 1993
Inventor: Jan Der-Jinn (Taipei)
Primary Examiner: A. Hugo Word
Assistant Examiner: Doris V. Coles
Application Number: 7/605,015
Type: Grant
Filed: Oct 26, 1990
Date of Patent: Feb 2, 1993
Inventor: Jan Der-Jinn (Taipei)
Primary Examiner: A. Hugo Word
Assistant Examiner: Doris V. Coles
Application Number: 7/605,015
Classifications