Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5728977 | Apparatus and methods for determining the quantity of and stabilizing a plurality of soiled industrial towels | Mervyn H. Edwardsen, James M. Leef, David B. Leef | 1998-03-17 |
| 5518632 | Method of recovering polymerizable liquid resins from rinse water | — | 1996-05-21 |
| 5416159 | Polymerizable liquid sealants for impregnating cast metal and powdered articles | — | 1995-05-16 |
| 5212233 | Polymerizable liquid sealants for impregnating cast metal and powdered metal articles | — | 1993-05-18 |
| 5098743 | Polymerizable liquid sealants for impregnating cast metal and powdered metal articles | — | 1992-03-24 |
| 4479986 | Impregnation of metal castings | — | 1984-10-30 |