Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5383418 | Top feed system with toothed belt and clutch | Charles Block | 1995-01-24 |
| 5152237 | Sewing machine top feed system with conveyor | Charles Block | 1992-10-06 |
| 4527491 | Belt loop setting system | Charles Block | 1985-07-09 |
| 4476760 | Cutting system | Charles Block | 1984-10-16 |
| 4462530 | High speed indexing system | Charles Block | 1984-07-31 |
| 4389957 | Belt loop setting system | Charles Block | 1983-06-28 |
| 4182251 | High speed indexing system | Charles Block | 1980-01-08 |