David C. Douglas
United States of America
| Total IP | 1 |
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| Total IP Rank # | 1,271,435 |
| IP Activity Score | 0/5.0 0 |
| IP Activity Rank # | 1,674,124 |
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| Last Patent | 2015 - Fire-protection mechanism | |||||||||||||||
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| First Patent | 2014 - Fire-protection mechanism | |||||||||||||||
Latest Inventions, Goods, Services
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