Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4530542 | Non-ferrous wheel center with chromed steel cover | Martin A. Spiegel | 1985-07-23 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4530542 | Non-ferrous wheel center with chromed steel cover | Martin A. Spiegel | 1985-07-23 |