Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12220067 | Convertible play pen | Daniel Kaiser | 2025-02-11 |
| D1056519 | Playpen | Daniel Kaiser | 2025-01-07 |
| 11739589 | Gate assembly and kit | Daniel Kaiser | 2023-08-29 |
| 9044704 | Use of oxygen from ion transport membranes in blast furnace | Bhadra S. Grover, Michael Garry Keith Grant, Wei Huang | 2015-06-02 |
| 8632621 | Method for melting a solid charge | Vivek Gautam, Luc Jarry, Remi Tsiava | 2014-01-21 |
| 7334824 | Door lever lock | Brian C. Sundberg | 2008-02-26 |
| D502019 | Bench | — | 2005-02-22 |
| D502014 | Chair | — | 2005-02-22 |
| D502013 | Chair | — | 2005-02-22 |
| D421344 | Chair | — | 2000-03-07 |
| D421187 | Chair | — | 2000-02-29 |
| D413028 | Chair | — | 1999-08-24 |
| D401769 | Chair | — | 1998-12-01 |
| 5284023 | Reach-in cooler with window | Robert K. Silva | 1994-02-08 |
| 5199273 | Reach-in cooler with interchangeable refrigerator and freezer systems | Robert K. Silva | 1993-04-06 |
| D315836 | Chair | — | 1991-04-02 |
| 4430832 | Floor sealing gasket | William C. Shirley | 1984-02-14 |
| 4394026 | Panel edge gasket with compressible sealing portion | William C. Shirley | 1983-07-19 |
| 4180944 | Door jamb assembly | William J. Stowik | 1980-01-01 |