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| Number | Title | Issue Date |
| 5594863 | Method and apparatus for network file recovery A method and apparatus for assisting in file recovery after a network fault uses a block state indicator in a client cache. After file data is stored in the client cache, the block state indicator is set to a client-cached state. After the file data is st... | 01/14/1997 |
| 5553139 | Method and apparatus for electronic license distribution A method and apparatus that allows for the distribution of electronic licenses is disclosed. The method and apparatus may be used in a network or non-network environment to facilitate product licensing and upgrades. Further, the method and apparatus accom... | 09/03/1996 |
| 5542086 | Document type metamorphosis in an object-oriented operating system having a graphical user interface The invention comprises an apparatus and method in an object-oriented computer operating system for efficiently assigning to object classes document objects created on a different computer system.... | 07/30/1996 |
| 5499358 | Method for storing a database in extended attributes of a file system The present invention provides a definition, format, and structure of extended attributes for managing, maintaining, and controlling file systems. This is accomplished by creating a database containing management, maintenance, control, and other user-defi... | 03/12/1996 |
| 5455932 | Fault tolerant computer system A method and apparatus for providing a fault-tolerant backup system such that if there is a failure of a primary processing system, a replicated system can take over without interruption. The invention provides a software solution for providing a backup s... | 10/03/1995 |
| 5428738 | Logical expression calculation interface A system and method for constructing logical, mathematical, and other action-oriented expressions for execution by a computer program. The system and method allows users to more easily design and construct even complex expressions that execute real-time d... | 06/27/1995 |
| 5412772 | System for permitting a view of an object or a user interface to be exchanged between operating system environments A system for permitting the view of an object or of a user interface to an application to be exchanged between different operating system environments is based on a nested, tagged file format. A view driver for creating a view of an object is provided hav... | 05/02/1995 |