Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4594763 | Method and apparatus for inserting a glass rod into a glass tube | Ralph E. Frazee, Jr., Joseph Sanchez, Carroll D. Spainhour, Robert P. Stawicki | 1986-06-17 |
| 4477244 | Torch | Carroll D. Spainhour | 1984-10-16 |
| 4372771 | Methods and apparatus for extruding articles | Alexander Coucoulas | 1983-02-08 |
| 4195982 | Method for extruding articles | Alexander Coucoulas | 1980-04-01 |