USD318410SExpiredUtility

Exit operator

77
Assignee: YALE SECURITY INCPriority: Sep 20, 1988Filed: Sep 20, 1988Granted: Jul 23, 1991
Est. expirySep 20, 2008(expired)· nominal 20-yr term from priority
Inventors:James E. Mohn
77
PatentIndex Score
21
Cited by
7
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an exit operator, as shown.

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