Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4523613 | "Multi-layered corrugated conduit with ""black-eye"" like apertures" | James L. Fouss, John J. Parker, Donald W. Sting | 1985-06-18 |
| 4374079 | Method and apparatus for manufacturing expanded and layered semiround plastic tubings | James L. Fouss, Larry A. Rosenbaum | 1983-02-15 |
| 4360042 | Arched conduit with improved corrugations | James L. Fouss, John J. Parker, Donald W. Sting | 1982-11-23 |
| 4245924 | Arch conduit | James L. Fouss, John J. Parker, Donald W. Sting | 1981-01-20 |