EL-SHEIKHY; REFAT AHMED IBRAHIM
Patent Applications and Registrations
Patent applications and USPTO patent grants for EL-SHEIKHY; REFAT AHMED IBRAHIM.The latest application filed is for "method of extinguishing or retarding fire using nano-clay".
- EL-SHEIKHY; REFAT AHMED IBRAHIM - RIYADH SA
| Patent | Date |
|---|---|
| Method Of Extinguishing Or Retarding Fire Using Nano-clay App 20180117376 - EL-SHEIKHY; REFAT AHMED IBRAHIM ; et al. | 2018-05-03 |
| Expansive soil resistant foundation system Grant 9,803,329 - El-Sheikhy , et al. October 31, 2 | 2017-10-31 |
| Device for measuring expansive soil shrinkage Grant 9,625,438 - El-Sheikhy , et al. April 18, 2 | 2017-04-18 |
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