Carden; Douglas D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Carden; Douglas D..The latest application filed is for "gas regulator selector valve".
- Carden; Douglas D. - Barneveld WI
| Patent | Date |
|---|---|
| Gas regulator selector valve Grant 4,915,132 - Hodge , et al. April 10, 1 | 1990-04-10 |
| Medical vacuum regulating cartridge Grant 4,903,726 - Martin , et al. February 27, 1 | 1990-02-27 |
| Nebulizing apparatus Grant 4,201,737 - Carden May 6, 1 | 1980-05-06 |
| Nebulizer Grant 3,591,090 - Carden July 6, 1 | 1971-07-06 |
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