Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7989064 | Ceramic-coated tungsten powder | Hans-Joachim Lunk, Henry J. Stevens, Dale E. Benjamin, Tuan A. Dang, Timothy A. Frisk | 2011-08-02 |
| 6830637 | Large diameter tungsten-lanthana rod | Thomas Dixon, Harry D. Martin, III | 2004-12-14 |
| 5376329 | Method of making composite orifice for melting furnace | James A. Giffen, Jr. | 1994-12-27 |
| 5370023 | Cutting tool for turning parallel grooves | Phillip D. Wurzler, Walter J. Zatkos, Jr. | 1994-12-06 |
| D340935 | Cutting tool having a plurality of cutting blades | Phillip D. Wurzler, Walter J. Zatkos, Jr. | 1993-11-02 |
| 5248474 | Large threaded tungsten metal parts and method of making same | — | 1993-09-28 |
| 4945750 | Press forging of molybdenum or molybdenum alloy parts | Vito P. Sylvester | 1990-08-07 |
| 4821554 | Press forging of molybdenum or molybdenum alloy parts | Vito P. Sylvester | 1989-04-18 |
| 4736883 | Method for diffusion bonding of liquid phase sintered materials | Vito P. Sylvester | 1988-04-12 |
| 4726927 | Method and apparatus for forming pressed powder metal parts having multiple cavities | Vito P. Sylvester | 1988-02-23 |
| 4612162 | Method for producing a high density metal article | Vito P. Sylvester, Robert L. Ward | 1986-09-16 |