USD421999SExpiredUtility

Shell collection and examination device

16
Individually held — no corporate assignee on recordPriority: Mar 12, 1999Filed: Mar 12, 1999Granted: Mar 28, 2000
Est. expiryMar 12, 2019(expired)· nominal 20-yr term from priority
Inventors:Ronald M. Wilcoxson
16
PatentIndex Score
3
Cited by
15
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a shell collection and examination device, as shown and described.

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