Helder; Johannes
Patent Applications and Registrations
Patent applications and USPTO patent grants for Helder; Johannes.The latest application filed is for "methods of detecting root knot nematodes".
- Helder; Johannes - Wageningen N/A NL
- Helder; Johannes - Brugge BE
| Patent | Date |
|---|---|
| Method for detecting cyst nematodes Grant 9,023,602 - Helder , et al. May 5, 2 | 2015-05-05 |
| Methods of Detecting Root Knot Nematodes App 20100081133 - HELDER; Johannes ; et al. | 2010-04-01 |
| Method for Detecting Cyst Nematodes App 20100062439 - Helder; Johannes ; et al. | 2010-03-11 |
| Process control system for the automatic analysis and regeneration of galvanic baths Grant 4,055,751 - Bussmann , et al. October 25, 1 | 1977-10-25 |
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