Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4480700 | Mechanical differential-rate counterboring tool | Raymond L. Krieger, Steven J. Volna | 1984-11-06 |
| 4213333 | High torque multiplier and readout apparatus | Raymond L. Krieger, Ralph W. Weaver | 1980-07-22 |
| 4212196 | Single beam torque readout and multiplier apparatus | Raymond L. Krieger, Ralph W. Weaver | 1980-07-15 |