Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6444097 | Radioactive decontamination | Lin Li, William M. Steen | 2002-09-03 |
| 5939704 | Radiation beam position sensor | Walter Perrie | 1999-08-17 |
| 5714762 | Determination of the surface properties of an object | Lin Li, William M. Steen | 1998-02-03 |
| 5574225 | Apparatus and a method for detecting the position of a laser beam | William O'Neill, Martin Sparkes, William M. Steen | 1996-11-12 |
| 5538764 | Method of treating a surface | Lin Li, William M. Steen | 1996-07-23 |
| 5425072 | Method of heat treating a radioactive surface | Lin Li, William M. Steen | 1995-06-13 |