Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5577333 | Solid media parts drying using fluidized beds | Reed A. Shick | 1996-11-26 |
| 5053437 | Expandable and expanded plastic materials and methods for casting metal castings employing such expanded cellular plastic materials | David Johnson | 1991-10-01 |
| 5051451 | Expandable and expanded plastic materials and methods for casting metal castings employing such expanded cellular plastic materials | David Johnson | 1991-09-24 |
| 4983640 | Methods for preparing a formed cellular plastic material pattern employed in metal casting | David Johnson | 1991-01-08 |
| 4950596 | Stabilization of intracellular enzymes | Roberta C. Cheng, Robert A. Houtchens, Karen M. McCoy | 1990-08-21 |
| 4929645 | Expandable and expanded plastic materials and methods for casting metal castings employing such expanded cellular plastic materials | David Johnson | 1990-05-29 |
| 4790367 | Methods for preparing a formed cellular plastic material pattern employed in metal casting | David Johnson | 1988-12-13 |
| 4675292 | Stabilization of glucose isomerase | Robert A. Houtchens, Roberta C. Cheng, Karen M. McCoy, Carol C. Epstein | 1987-06-23 |