Issued Patents 1989
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867172 | Collapsible blood collector | John A. Lewis | 1989-09-19 |
| 4850953 | Gastrostomy valve | William H. Smedley | 1989-07-25 |
| 4846808 | Safety syringe having a needle to be retracted and canted within a protective sleeve | Clark B. Foster | 1989-07-11 |
| 4846784 | Manually adjustable sphincteric system | — | 1989-07-11 |
| 4838870 | Removable needle attachment having a detachable needle | Jack E. Maze, Roger R. Crouse | 1989-06-13 |
| 4834717 | Disposable, pre-sterilizable syringe for a pre-filled medication cartridge | William H. Smedley, Clark B. Foster | 1989-05-30 |
| 4832680 | Apparatus for hypodermically implanting a genitourinary prosthesis | William H. Smedley | 1989-05-23 |
| 4826484 | Disease control syringe having a retractable needle | William H. Smedley, Clark B. Foster | 1989-05-02 |
| 4826489 | Disposable safety syringe having means for retracting its needle cannula into its medication cartridge | Clark B. Foster, William H. Smedley | 1989-05-02 |
| 4820275 | Retractable needle syringe with integral spring | Clark B. Foster, John A. Lewis | 1989-04-11 |
| 4813935 | Urinary catheter | John A. Lewis, Clark B. Foster | 1989-03-21 |
| 4813426 | Shielded safety syringe having a retractable needle | Clark B. Foster, William H. Smedley, John A. Lewis | 1989-03-21 |
| 4810249 | Linear and Vernier-type syringe | Clark B. Foster | 1989-03-07 |
| 4808169 | Disposable safety syringe having means for retracting its needle cannula into its medication cartridge | Clark B. Foster, William H. Smedley | 1989-02-28 |
| 4804370 | Disease control syringe having a retractable needle | William H. Smedley, Clark B. Foster | 1989-02-14 |
| 4802479 | Hand-held instrument for implanting, dispensing, and inflating an inflatable membrane | William H. Smedley | 1989-02-07 |
| 4799926 | Syringe, having self-contained, sterile, medication applying swab | — | 1989-01-24 |