pH determination device
Description
Claims
I claim the ornamental design for a pH determination device, substantially as shown and described.
Patent History
Patent number: D678545
Type: Grant
Filed: Oct 14, 2011
Date of Patent: Mar 19, 2013
Inventor: James C. Caillouette (Pasadena, CA)
Primary Examiner: Anhdao Doan
Application Number: 29/374,837
Type: Grant
Filed: Oct 14, 2011
Date of Patent: Mar 19, 2013
Inventor: James C. Caillouette (Pasadena, CA)
Primary Examiner: Anhdao Doan
Application Number: 29/374,837
Classifications
Current U.S. Class:
Interrelated Indication Or Reaction Set (i.e., "test Kit") (64) (D24/223)