USD461806SExpiredUtility
Portion of arithmetic operation control machine for electronic computer
Est. expiryMar 14, 2021(expired)· nominal 20-yr term from priority
Inventors:Keita Tanaka
32
PatentIndex Score
1
Cited by
7
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a portion of arithmetic operation control machine for electronic computer, as shown and described.
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