USD304611SExpiredUtility

Laboratory heater

31
Assignee: LAB LINE INSTR INCPriority: Mar 30, 1987Filed: Mar 30, 1987Granted: Nov 14, 1989
Est. expiryMar 30, 2007(expired)· nominal 20-yr term from priority
Inventors:Lawrence W. Stalec
31
PatentIndex Score
2
Cited by
8
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a laboratory heater, as shown and described.

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