Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8231008 | Column flotation cell for enhanced recovery of minerals such as phosphates by froth flotation | David R. Spedden, Anthony F. Harding, David Kennedy | 2012-07-31 |
| 7510083 | Column flotation cell for enhanced recovery of minerals such as phosphates by froth flotation | David R. Spedden, Anthony F. Harding, David Kennedy | 2009-03-31 |
| 6636812 | Particulate compositions | Stephen C. Pegram, Scott P. Klein, Christopher L. Davidson, Thomas L. Coulter, John Raymond Schmedeman | 2003-10-21 |
| 6178383 | On-line sampling and image analyzer for determining solid content in a fluid media | Stephen C. Pegram, Scott P. Klein, Christopher L. Davidson, Thomas L. Coulter, John Raymond Schmedeman | 2001-01-23 |