pH meter
Description
FIG. 1 is a perspective view thereof;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a top view thereof;
FIG. 5 is a bottom thereof; and,
FIG. 6 is a right view thereof, the left side view being a mirror image thereof.
Claims
The ornamental design for a pH meter, as shown and described.
Referenced Cited
Patent History
Patent number: D453905
Type: Grant
Filed: Mar 5, 2001
Date of Patent: Feb 26, 2002
Inventor: Tony Chen Heng Cheng (Taichung City)
Primary Examiner: Antoine Duval Davis
Attorney, Agent or Law Firms: Michael A Mann, Nexsen Pruet Jacobs & Pollard LLC
Application Number: 29/138,043
Type: Grant
Filed: Mar 5, 2001
Date of Patent: Feb 26, 2002
Inventor: Tony Chen Heng Cheng (Taichung City)
Primary Examiner: Antoine Duval Davis
Attorney, Agent or Law Firms: Michael A Mann, Nexsen Pruet Jacobs & Pollard LLC
Application Number: 29/138,043
Classifications