USD472881SExpiredUtility

Pipe heater controller

35
Assignee: MKS INSTR INCPriority: Jul 16, 2001Filed: Jul 16, 2001Granted: Apr 8, 2003
Est. expiryJul 16, 2021(expired)· nominal 20-yr term from priority
Inventors:Dana S. Hauschulz
35
PatentIndex Score
3
Cited by
13
References
1
Claims

Claims

exact text as granted — not AI-modified
An ornamental design for a pipe heater controller, as shown and described.

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