Markham; Charles W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Markham; Charles W..The latest application filed is for "needle/stylet combination".
- Markham; Charles W. - Clearwater FL
- Markham; Charles W. - Clearwater Beach FL
- Markham; Charles W. - Clearwater Bch. FL
| Patent | Date |
|---|---|
| Needle/stylet combination Grant 4,931,059 - Markham June 5, 1 | 1990-06-05 |
| Marking and retraction needle having retrievable stylet Grant 4,774,948 - Markham October 4, 1 | 1988-10-04 |
| Moisture-activated floatation device Grant 4,705,050 - November 10, 1 | 1987-11-10 |
| Needle aspiration biopsy device with enclosed fluid supply Grant 4,693,257 - Markham September 15, 1 | 1987-09-15 |
| Flexible and protective guide device for use with aspirating needles Grant 4,555,243 - Markham November 26, 1 | 1985-11-26 |
| Aspiration biopsy device Grant 4,549,554 - Markham October 29, 1 | 1985-10-29 |
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