Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5710552 | Barrier device | Steven J. McCoy, Mark S. Schumacher, John A. Kielb, Donald F. Palan, Grant Bradley Edwards +1 more | 1998-01-20 |
| D358784 | Flowmeter instrument | Robert Barclay Garnett | 1995-05-30 |
| 4993754 | Liquid level coplanar transmitter adapter | — | 1991-02-19 |