Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4411056 | Production of steel products with medium to high contents of carbon and manganese and superior surface quality | Dionisyj W. Demianczuk, Gregory J. McLean | 1983-10-25 |
| 4410369 | Manufacture of electrically welded steel pipe | George M. Waid, Dionisyj W. Demianczuk | 1983-10-18 |
| 4405380 | High strength, low alloy steel with improved surface and mechanical properties | Cecil B. Griffith, Jerry D. Thomas, Dionisyj W. Demianczuk, John K. Abraham | 1983-09-20 |
| 4375376 | Retarded aging, rimmed steel with good surface quality | Clifford E. Rowden, Gregory J. McLean, Dionisyj W. Demianczuk | 1983-03-01 |
| 4348800 | Production of steel products with medium to high contents of carbon and manganese and superior surface quality | Dionisyj W. Demianczuk, Gregory J. McLean | 1982-09-14 |
| 4343980 | Control of welding energy flux density | Andrew Stanya, David W. Dickinson | 1982-08-10 |