USD247245SExpiredUtility

Dual viewer attachment for a microscope

45
Assignee: AMERICAN OPTICAL CORPPriority: Feb 24, 1976Filed: Feb 24, 1976Granted: Feb 14, 1978
Est. expiryFeb 24, 1996(expired)· nominal 20-yr term from priority
Inventors:John T. Armbruster
45
PatentIndex Score
3
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a dual viewer attachment for a microscope, as shown and described.

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