Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7308165 | Optical transducer and method for the simultaneous measurement of pressure and temperature in oil and gas wells | Manoel Felician da Silva Júnior, Ricardo Munoz Freitas, Arthur Martins Barbosa Braga, Luiz Carlos Guedes Valente, Rogério Dias Regazzi +3 more | 2007-12-11 |
| 7266261 | Fiber optics differential pressure transducer | Manoel da Silva, Ricardo Munoz Freitas, Arthur Martins Barbosa Braga, Luiz Carlos Guedes Valente, Roberth Waldo Angulo Llerna | 2007-09-04 |