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| Number | Title | Issue Date |
| 5934682 | Head gasket with preflattened wire rings and method of making and using same A head gasket and method for making and using the same is provided wherein the head gasket includes a wire ring which has been preflattened. The preflattened ring facilitates broad load distribution and is preferably used in an internal combustion engine ... | 08/10/1999 |
