Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5568891 | Making a fractured powder metal connecting rod | David A. Yeager | 1996-10-29 |
| 5353500 | Making a fractured powder metal connecting rod | David A. Yeager | 1994-10-11 |
| 5131577 | Apparatus for making a powder metal connecting rod | David A. Yeager | 1992-07-21 |
| 5109605 | Making a fractured powder metal connecting rod | David A. Yeager | 1992-05-05 |
| 5105538 | Low-cost method of making cracked connecting rods comprised of forged wrought steel | Ralph L. Kyte, Joel P. Stueck | 1992-04-21 |
| 4993134 | Making a fractured powder metal connecting rod | David A. Yeager | 1991-02-19 |
| 4936163 | Making a fractured powder metal connecting rod | David A. Yeager | 1990-06-26 |