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Patent

Hänvisningar finns i följande patent

citeras i Registreringsdatum Utfärdandedatum Ursprunglig innehavare Titel
US401293024 okt 197522 mar 1977Locks
US454941814 mar 198329 okt 1985Monarch Tool & Manufacturing Co.Lock box and method of making same
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US649089311 aug 200010 dec 2002Portable lockbox
US656459713 aug 200120 maj 2003Star Lock Systems, Inc.Vandal resistant T-handle assembly
US68324995 jun 200321 dec 2004Star Lock Systems, Inc.Vandal resistant T-handle assembly