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| Number | Title | Issue Date |
| 4520736 | Lightweight safe and door mechanism therefor A lightweight safe having an unique door mechanism is disclosed. The lightweight safe has a front opening with a recessed door frame to accommodate a recessed door having dead-bolts which are positioned behind one edge of the door frame when the door is i... | 06/04/1985 |
| 4404916 | Multiple entry closure for a safe or vault A multiple entry closure for a safe or vault wherein said closure includes a hinged door mounted in the safe or vault and having a locking means to maintain the door in a closed position. The hinged door is positioned whereby it is co-planar with the surr... | 09/20/1983 |
