USD251114SExpiredUtility

PH meter

87
Assignee: CORNING GLASS WORKSPriority: Jan 3, 1977Filed: Jan 3, 1977Granted: Feb 20, 1979
Est. expiryJan 3, 1997(expired)· nominal 20-yr term from priority
Inventors:Robert S. Potts
87
PatentIndex Score
20
Cited by
2
References
1
Claims

Claims

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

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