Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846797 | Syringe positioning device for enhancing fluid flow control | Michael W. Fellinger, John A. Popken, Richard M. Altobellis | 1989-07-11 |
| 4834152 | Storage receptacle sealing and transfer apparatus | Robert E. Havranek, John A. Popken, Frederick L. Stone | 1989-05-30 |
| 4810243 | Device and method for effecting application of a therapeutic agent | — | 1989-03-07 |
| 4804054 | Device and method for precise subcutaneous placement of a medical instrument | J. Donald Pauley, Gary T. Carroll | 1989-02-14 |