Grigorov; Grigor Rangelov
Patent Applications and Registrations
Patent applications and USPTO patent grants for Grigorov; Grigor Rangelov.The latest application filed is for "methods and devices for pest control".
- Grigorov; Grigor Rangelov - Sofia BG
- Grigorov; Grigor Rangelov - 1336 Sofia BG
| Patent | Date |
|---|---|
| Methods And Devices For Pest Control App 20090199457 - Grigorov; Grigor Rangelov ; et al. | 2009-08-13 |
| Method and system for exterminating pests, weeds and pathogens Grant 6,647,661 - Grigorov November 18, 2 | 2003-11-18 |
| Method and system for exterminating pests, weeds and pathogens App 20030037482 - Grigorov, Grigor Rangelov | 2003-02-27 |
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