Timeline for How is US5693489 patent different from US4952496?
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
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| Mar 6, 2013 at 1:07 | history | edited | George White♦ | CC BY-SA 3.0 |
added 712 characters in body
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| Mar 6, 2013 at 0:55 | history | edited | Robert Cartaino | CC BY-SA 3.0 |
added 1 characters in body
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| Mar 6, 2013 at 0:52 | history | edited | George White♦ | CC BY-SA 3.0 |
added 100 characters in body
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| Mar 5, 2013 at 21:57 | history | edited | George White♦ | CC BY-SA 3.0 |
added 244 characters in body
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| Mar 5, 2013 at 21:48 | history | answered | George White♦ | CC BY-SA 3.0 |