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| Number | Title | Issue Date |
| 7665185 | Incremental locking hinge assembly A hinge assembly containing a receiver member having a corrugated inner surface and a locking pin for being pivotally disposed within the receiver portion about an axis. The locking pin and receiver member have complementary corrugated engaging surfaces that allow t... | 02/23/2010 |
| 7222395 | Incremental locking hinge assembly A hinge assembly containing a receiver member having a corrugated inner surface and a locking pin for being pivotally disposed within the receiver portion about an axis. The locking pin and receiver member have complementary corrugated engaging surfaces that allow t... | 05/29/2007 |
| 7142428 | Locking heatsink apparatus A heatsink is provided for cooling power components on a printed circuit board. The heatsink includes a slot so that it is placed over the power device to be cooled. An activating member may be inserted from the opposite side of the printed circuit board and fastene... | 11/28/2006 |
| 6317348 | UPS chassis design having an internal support structure A modular UPS unit with an internal central support structure. Each module can be removed from the structure independent of the others, permitting hot swapping of the modules. The internal support structure simplifies the manufacture of the unit, minimize... | 11/13/2001 |
| 5437263 | High efficiency furnace method and apparatus An upflow/downflow high efficiency furnace includes a means for mounting a secondary heat exchanger by use of a hinge member, which permits the furnace to be installed in either an upflow or downflow mode of operation, without any modification to the furn... | 08/01/1995 |
