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ELEVATOR ACCESS CONTROL SYSTEM AND METHOD

10/935,957 | U.S. Patent Application

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Location ELECTRONIC
Filed Sept. 7, 2004
Examiner ANTHONY J SALATA
Class 187
Art Group 2837
Patent No. 7,093,693
Case Type Utility - 187/384000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 10/651,451 Patented
Parent 09/330,101 Patented
Child 12/703,666 Patented
Child 12/704,431 Patented
Child 12/711,692 Patented
Child 12/711,857 Patented
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Last Updated: 5 years, 1 month ago
Date # Transaction