Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865805 | Low-sulfur, lead-free alloy | — | 1989-09-12 |
| 4786466 | Low-sulfur, lead-free free machining steel alloy | — | 1988-11-22 |
| 4389249 | Method for adding ingredient to steel as shot | Ian F. Hughes, John M. Lude | 1983-06-21 |
| 4342622 | Process for making formed coke from high sulfur coal | — | 1982-08-03 |
| 4333776 | Semi-finished steel article | Debanshu Bhattacharya, Dennis T. Quinto | 1982-06-08 |
| 4255187 | Bismuth-containing steel | Debanshu Bhattacharya, Dennis T. Quinto | 1981-03-10 |
| 4244737 | Method and alloy for introducing machinability increasing ingredients to steel | Debanshu Bhattacharya | 1981-01-13 |
| 4236939 | Semi-finished steel article and method for producing same | Debanshu Bhattacharya, Dennis T. Quinto | 1980-12-02 |