Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11944138 | Face mask and method for manufacturing thereof | Angie Carol Tsuei, Feng-Yi Tsuei | 2024-04-02 |
| 11730211 | Face mask and method for manufacturing thereof | — | 2023-08-22 |
| 11122841 | Face mask and method for manufacturing thereof | — | 2021-09-21 |
| 9616258 | Dispensable face mask and method of making the same | — | 2017-04-11 |
| 9272838 | Conformable face mask packaging and dispensing systems | — | 2016-03-01 |
| 8967837 | Solid state light with features for controlling light distribution and air cooling channels | James F. Poch, Paul E. Humpal, Hamid R. Mortazavi, Robert L. Brott, Raymond P. Johnston | 2015-03-03 |
| 7204365 | Conveyor belt cleaning system | Lance E. Behymer, Smarajit Mitra, Jerald W. Hall, Jr. | 2007-04-17 |
| 7114610 | Conveyor belt cleaning system | Lance E. Behymer, Smarajit Mitra, Jerald W. Hall, Jr. | 2006-10-03 |
| 7055675 | Conveyor belt cleaning system | Lance E. Behymer, Smarajit Mitra, Jerald W. Hall, Jr. | 2006-06-06 |
| 5783303 | Curable water-based coating compositions and cured products thereof | — | 1998-07-21 |
| 5643669 | Curable water-based coating compositions and cured products thereof | — | 1997-07-01 |
| 5589194 | Method of encapsulation and microcapsules produced thereby | Lorenz Kogl, III, Daniel B. Pendergrass, Jr. | 1996-12-31 |
| 5449399 | Blendable writing instrument | Daniel B. Pendergrass, Jr. | 1995-09-12 |
| 5433953 | Microcapsules and methods for making same | Smarajit Mitra | 1995-07-18 |