USD330865SExpiredUtility

Differential pressure indicator

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Assignee: WILKERSON CORPPriority: May 30, 1991Filed: May 30, 1991Granted: Nov 10, 1992
Est. expiryMay 30, 2011(expired)· nominal 20-yr term from priority
Inventors:George N. PeletisRobert B. TosiRonald E. Macpherson
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1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a differential pressure indicator, as shown and described.

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