Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5907991 | Quick drop valve control | Chandrasekar Ramamoorthy, Randall A. Harlow, John R. Connolly | 1999-06-01 |
| 5782269 | Soft seal poppet type check valve | Rita R. Waller, Randall A. Harlow, Robert A. Lapke, Joseph F. Duffy, James R. Carlberg +1 more | 1998-07-21 |