Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7950880 | Spiral flute tap | Willard E. Henderer, Stephen M. George, Steven R. Burns | 2011-05-31 |
| 7665934 | Cutting tap and method of making a cutting tap | Willard E. Henderer, Vladimir Volokh | 2010-02-23 |
| 7468001 | High-speed forming tap | Masao Mitsui, Willard E. Henderer | 2008-12-23 |
| 7207867 | Precision cemented carbide threading tap | Willard E. Henderer | 2007-04-24 |
| 7147413 | Precision cemented carbide threading tap | Willard E. Henderer | 2006-12-12 |
| 7147939 | Coated carbide tap | Willard E. Henderer, Anakkavur T. Santhanam | 2006-12-12 |