| item | description | category | filter | more on... |
| USPTO | United States Patent and Trademark Office | IT/Software |
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| USPTO | United States Patent and Trademark Office | Governmental/Military |
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| USPTO | United States Patent and Trademark Office | Business/General |
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| USPTO | United States Patent and Trademark Office | Business/General |
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| USPTO | United States Patent and Trademark Office | Governmental/FBI |
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| USPTO | United States Patent and Trademark Office | Governmental/US Gov. |
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| USPTO | United States Patent and Trademark Office | Medical/Laboratory |
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| USPTO | United States Patent and Trademark Office | Radio Stations |
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