Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6325568 | Combined mortise and tenon joint feature | Ralph D. Druckman, Richard Burnham, James Scott Griffing, Chai Y. Indharasophang, Paul S. Dewar +2 more | 2001-12-04 |
| 6164477 | Combined mortise and tenon joint feature | Ralph D. Druckman, Richard Burnham, James Scott Griffing, Chai Y. Indharasophang, Paul S. Dewar +2 more | 2000-12-26 |