Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5364892 | Modeling dough | Karen Mariano | 1994-11-15 |
| 5352282 | Color changing compositions | — | 1994-10-04 |
| 5326388 | Color changing compositions | Charlene R. Couch | 1994-07-05 |
| 5232494 | Color changing compositions | — | 1993-08-03 |
| 5171766 | Modeling dough | Karen Mariano | 1992-12-15 |
| 5116410 | Washable dye-containing composition | — | 1992-05-26 |
| 4900040 | Sealing device | — | 1990-02-13 |
| 4663797 | Wiper arm safety device | — | 1987-05-12 |
| 4653752 | Game ball | — | 1987-03-31 |
| 4610071 | Method of forming foam filled baseball or softball | — | 1986-09-09 |
| 4603605 | Thread vise | — | 1986-08-05 |
| 4568083 | Game ball | — | 1986-02-04 |
| 4529200 | Game ball | James L. Muhlfelder | 1985-07-16 |
| 4483522 | Adjustable mandrel for supporting tubular workpieces | Lawson H. Nall | 1984-11-20 |
| 4483223 | Portable lathe | Lawson H. Nall | 1984-11-20 |
| 4470734 | Portable tube end preparation tool | — | 1984-09-11 |
| 4434689 | Cutter head drive shaft for portable tube end preparation tool | Lawson H. Nall | 1984-03-06 |