USD336444SExpiredUtility

Portable colorimeter

89
Assignee: HACH COPriority: Feb 21, 1990Filed: Feb 21, 1990Granted: Jun 15, 1993
Est. expiryFeb 21, 2010(expired)· nominal 20-yr term from priority
Inventors:Mark E. AndersonRichard Jared CooperRobert D. Stream
89
PatentIndex Score
36
Cited by
8
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a portable colorimeter, as shown.

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