USD257777SExpiredUtility

Letter stamping machine

89
Individually held — no corporate assignee on recordPriority: Jul 28, 1977Filed: Jul 28, 1977Granted: Jan 6, 1981
Est. expiryJul 28, 1997(expired)· nominal 20-yr term from priority
Inventors:Robert J. EichenbergLa Dorna E. Eichenberg
89
PatentIndex Score
33
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a letter stamping machine, as shown and described.

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