USD295673SExpiredUtility

Natural gas purification unit

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Assignee: ANDERSON ROGER JPriority: Jul 22, 1985Filed: Jul 22, 1985Granted: May 10, 1988
Est. expiryJul 22, 2005(expired)· nominal 20-yr term from priority
Inventors:Roger Jeffrey AndersonJeffrey R. Anderson
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PatentIndex Score
3
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3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a natural gas purification unit, as shown.

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