The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
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| Application No. | Application Title | Issue Date |
| 20080027987 | Replicating data between heterogeneous data systems A method and apparatus for replicating data between heterogeneous databases is provided. Data is replicated between two heterogeneous databases with the use of a volatile storage queue, enabling the rapid replication of data across databases provided by different vendor... | 01/31/2008 |
| 20070192384 | Computer implemented method for automatically managing stored checkpoint data Computer-implemented methods and computer systems for automatically managing stored checkpoint data are described. The method includes accessing a first user defined time period. The first user defined time period is related to a plurality of stored checkpoint data, and... | 08/16/2007 |