Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6946844 | Surface and abrasive testing device | Thomas R. Glover, Richard Parks | 2005-09-20 |
| 6551837 | Method for testing soluble salt levels in a solution | James R. Johnson | 2003-04-22 |
| 6159743 | Method and apparatus for testing surfaces | James R. Johnson | 2000-12-12 |
| 5609692 | Method of removing chloride ion or a compound thereof from a surface contaminated therewith | James R. Johnson, Todd R. Eden | 1997-03-11 |