Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6454030 | Drill bits and other articles of manufacture including a layer-manufactured shell integrally secured to a cast structure and methods of fabricating same | Trent N. Butcher, Gordon A. Tibbits | 2002-09-24 |
| 6354362 | Method and apparatus for infiltrating preformed components and component assemblies | Redd H. Smith, Trent N. Butcher | 2002-03-12 |