Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4500136 | Vehicle seat including improved adjustable side bolsters | Dennis H. Heling | 1985-02-19 |
| 4449751 | Seat backrest having an adjustable lumbar support | Dennis H. Heling | 1984-05-22 |
| 4324431 | Vehicle seat with individual adjustable front thigh support | Dennis H. Heling | 1982-04-13 |
| 4267999 | Support assembly for vehicle seat | Russell F. Chekirda, Walter Lyszczarz | 1981-05-19 |