Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5414195 | System and method for on-line monitoring and control of heavy metal contamination in soil washing process | Steven H. Peterson, Edward J. Lahoda, David C. Grant, Thomas V. Congedo, John Bartko +4 more | 1995-05-09 |
| 5316223 | Method and apparatus for cleaning contaminated particulate material | Edward J. Lahoda, David C. Grant | 1994-05-31 |
| 5133901 | System and method for on-line monitoring and control of heavy metal contamination in soil washing process | Steven H. Peterson, Edward J. Lahoda, David C. Grant, Thomas V. Congedo, John Bartko +4 more | 1992-07-28 |
| 5128068 | Method and apparatus for cleaning contaminated particulate material | Edward J. Lahoda, David C. Grant | 1992-07-07 |
| 4366034 | Hard chromium plating process for cobalt-chromium-tungsten alloys | Herbert E. Ricks | 1982-12-28 |