Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10563805 | Expandable sealing mechanism | James W. Skinner, Graham E. Blackwood, Katherine A. Bergfeld, Michael R. Miller | 2020-02-18 |
| 5004024 | Sealable funnel for measurement and spill prevention | Leonard D. Rezmer, Gerald R. Kaczmarczyk, Jr., Donald J. Kaczmarczyk | 1991-04-02 |