Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4572518 | Leak free floating packing shaft seal | John D. Spargo, Martha M. Phillips | 1986-02-25 |
| 4240676 | Bending pad thrust bearing | Hugh G. Anderson, Jr., Earl R. Quandt | 1980-12-23 |