Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6914997 | Flexible earhook | James T. MacDonald, Joseph L. Freni, Jr., Roy Heinz | 2005-07-05 |
| 6598301 | Multi-purpose razor blade tool | Gregory F. McCool, Jeffrey W. Wonderley, Dave McDonald, Eric Karl Litscher, Roy Heinz +1 more | 2003-07-29 |
| D474668 | Razor blade tool | Dave McDonald, Eric Karl Litscher, Roy Heinz, Will Wear, Gregory F. McCool +1 more | 2003-05-20 |
| 6418230 | Flexible earhook | James McDonald, Joseph L. Freni, Jr., Roy Heinz | 2002-07-09 |
| D458105 | Razor blade tool | Dave McDonald, Eric Karl Litscher, Roy Heinz, Will Wear, Jeffrey W. Wonderley | 2002-06-04 |
| 6356635 | Headband for reversible mounting of headsets | Stephen Lyman, James T. MacDonald, Roy Heinz | 2002-03-12 |
| D431235 | Earhook headset | Stephen Lyman, James T. MacDonald, Roy Heinz | 2000-09-26 |
| D419564 | Flexible earhook | James McDonald, Joseph L. Freni, Jr., Roy Heinz | 2000-01-25 |