Portable telephone auxiliary tone ringer and door alarm
Description
FIG. 1 is a front perspective view of a portable telephone auxiliary tone ringer and door alarm showing my new design;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a front elevational view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a rear elevational view thereof.
Referenced Cited
Patent History
Patent number: D331204
Type: Grant
Filed: Apr 25, 1990
Date of Patent: Nov 24, 1992
Inventor: Jan Hampf (Saro)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Marcus Jackson
Application Number: 7/514,282
Type: Grant
Filed: Apr 25, 1990
Date of Patent: Nov 24, 1992
Inventor: Jan Hampf (Saro)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Marcus Jackson
Application Number: 7/514,282
Classifications
Current U.S. Class:
D10/106;
Telephone Equipment (D14/140)