USD346753SExpiredUtility

PH and concentration meter

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Assignee: ORION RESEARCHPriority: May 10, 1990Filed: May 10, 1990Granted: May 10, 1994
Est. expiryMay 10, 2010(expired)· nominal 20-yr term from priority
Inventors:James BarbooklesJeffrey S. CohenLaura BrockwayThomas PaquettePaul Sydlowski
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PatentIndex Score
11
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3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a pH and concentration meter, as shown and described.

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