USD258085SExpiredUtility

Electric dental material mixer

86
Individually held — no corporate assignee on recordPriority: Mar 17, 1978Filed: Mar 17, 1978Granted: Jan 27, 1981
Est. expiryMar 17, 1998(expired)· nominal 20-yr term from priority
Inventors:Don D. Porteous
86
PatentIndex Score
18
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an electric dental material mixer, substantially as shown.

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