Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4412841 | Compacted carbonaceous shapes and process for making the same | William Du Broff, George H. Craig | 1983-11-01 |
| 4253644 | Fluid closure for and method of preventing flow through an opening in a fluid and particulate confining and conveying structure | John M. Marshall, James J. Sulicz | 1981-03-03 |