Walker; Elijah C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Walker; Elijah C..The latest application filed is for "pulse oximeter for diagnosis of dental pulp pathology".
- Walker; Elijah C. - Silver Spring MD
- Walker; Elijah C. - Takoma Park MD
| Patent | Date |
|---|---|
| Pulse oximeter for diagnosis of dental pulp pathology Grant 5,040,539 - Schmitt , et al. August 20, 1 | 1991-08-20 |
| Blood pressure cuff calibration system Grant 4,471,646 - Walker September 18, 1 | 1984-09-18 |
| Scanning flow indicator for rotameters Grant 4,200,806 - Walker , et al. April 29, 1 | 1980-04-29 |
| Tranquilizer dart Grant 4,103,893 - Walker August 1, 1 | 1978-08-01 |
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