Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7163499 | Apparatus for working the abdominal muscles while protecting the back and promoting diaphragmatic breathing | — | 2007-01-16 |
| 5382552 | Rare earth-containing alkali silicate frits and their use for the preparation of porcelain enamel coatings with improved cleanability | Stuart W. Ries | 1995-01-17 |
| 5264287 | Rare earth-containing frits having a high glass transition temperature and their use for the production of enamels having improved heat resistance | Vernon J. Grebe, Derek W. Sproson, Arthur C. Stidham | 1993-11-23 |
| 5198393 | Rare earth-containing frits having a high glass transition temperature and their use for the production of enamels having improved heat resistance | Vernon J. Grebe, Derek W. Sproson, Arthur C. Stidham | 1993-03-30 |
| 4991642 | Fluorine-free mold powders | — | 1991-02-12 |
| 4880463 | Fluorine-free mold powders | — | 1989-11-14 |