Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9777941 | Heat recovery ventilator and rotary damper assembly | Robert Fischer | 2017-10-03 |
| D438232 | Eyeglass frame | — | 2001-02-27 |
| D436614 | Eyeglass frame | — | 2001-01-23 |
| D422296 | Eyeglass frame | — | 2000-04-04 |
| D422295 | Eyeglass frame | — | 2000-04-04 |
| D422006 | Eyeglass frame | — | 2000-03-28 |
| D419173 | Eyeglass frame | — | 2000-01-18 |
| D419174 | Eyeglass frame | — | 2000-01-18 |
| D419175 | Eyeglass frame | — | 2000-01-18 |
| D418855 | Eyeglass frame | — | 2000-01-11 |
| D418856 | Eyeglass frame | — | 2000-01-11 |
| D417231 | Eyeglass frame | — | 1999-11-30 |
| D416277 | Eyeglass frame | — | 1999-11-09 |
| D416278 | Eyeglass frame | — | 1999-11-09 |
| D416037 | Eyeglass frame | — | 1999-11-02 |
| D415782 | Eyeglass frame | — | 1999-10-26 |
| D415781 | Eyeglass frame | — | 1999-10-26 |
| D415514 | Eyeglass frame | — | 1999-10-19 |
| D415187 | Eyeglass frame | — | 1999-10-12 |
| D414795 | Eyeglass frame | — | 1999-10-05 |
| D396300 | Door assembly | — | 1998-07-21 |
| D377158 | Cover for rear of motorcycle | — | 1997-01-07 |