USD283831SExpiredUtility

Additive liquid metering device

56
Individually held — no corporate assignee on recordPriority: Jul 5, 1983Filed: Jul 5, 1983Granted: May 13, 1986
Est. expiryJul 5, 2003(expired)· nominal 20-yr term from priority
Inventors:Mitchell E. Maddock
56
PatentIndex Score
6
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an additive liquid metering device, as shown.

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