| Characteristic | Percentage of patents issued |
|---|---|
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
| - | - |
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Sources
Release date
December 2015
Region
United States
Survey time period
2002 to 2013
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