Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10517407 | Adjustable comfort mattress system and processes | Michael S. DeFranks | 2019-12-31 |
| 10182662 | Adjustable comfort mattress system and processes | Michael S. DeFranks | 2019-01-22 |
| 4926457 | Radiolucent hospital bed surface | Michael E. Poehner, Howard J. Boyd | 1990-05-15 |
| 4751754 | Dual hydraulic hospital bed with emergency bypass circuit | David W. Bailey, William H. Peck | 1988-06-21 |
| D286538 | Support frame for a power tool | Charles J. Haas | 1986-11-04 |
| D282816 | Air carbon-arc cutting and gouging torch | David B. Chaney | 1986-03-04 |
| D281431 | Headstock for a multipurpose woodworking tool | Charles J. Haas | 1985-11-19 |
| D278790 | Push block for use in guiding work pieces during cutting operations | David B. Chaney | 1985-05-14 |
| D276616 | Planer | John G. Legler, Edward A. Irelan | 1984-12-04 |
| 4265584 | System for opening and emptying containers | Paul B. Specht | 1981-05-05 |