USD331772SExpiredUtility

Electrostatic copying machine

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Assignee: RICOH CO LTDPriority: Jul 17, 1990Filed: Jan 17, 1991Granted: Dec 15, 1992
Est. expiryJul 17, 2010(expired)· nominal 20-yr term from priority
Inventors:Yuji SuzukiYoshihisa MinakawaFumiyo KojimaMariko Ikeda
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PatentIndex Score
8
Cited by
7
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an electrostatic copying machine, as shown.

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