Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7710038 | Ceramic discharge vessel having molybdenum alloy feedthrough | — | 2010-05-04 |
| 6129890 | Method of making non-sag tungsten wire | Hans-Joachim Lunk, Henry J. Stevens, Harry D. Martin, III | 2000-10-10 |
| 5742891 | Tungsten-lanthana alloy wire for a vibration resistant lamp filament | Harry D. Martin, III | 1998-04-21 |
| 5734960 | Process for producing KS molybdenum | Michael J. Miller, James N. Christini, Michael J. Cheresnowsky, Vernon L. Carr, Jr. | 1998-03-31 |
| 5604321 | Tungsten-lanthana alloy wire for a vibration resistant lamp filament | Harry D. Martin, III | 1997-02-18 |
| 5590386 | Method of making an alloy of tungsten and lanthana | Harry D. Martin, III | 1996-12-31 |
| 5121026 | Electrode for ignition plug | William C. Fulkerson, Harry D. Martin, III | 1992-06-09 |
| 5120250 | Electrode for ignition plug | William C. Fulkerson, Harry D. Martin, III | 1992-06-09 |
| 5041041 | Method of fabricating a composite lamp filament | Edmund M. Passmore | 1991-08-20 |
| 4863527 | Process for producing doped tungsten wire with low strength and high ductility | Gene Schaeffer, Paul L. Bloss | 1989-09-05 |
| 4859236 | Process for producing molybdenum-ruthenium metal powder | Joseph E. Ritsko, Harry D. Martin, III | 1989-08-22 |
| 4781886 | Method for producing refractory metal parts of high hardness | Vito P. Sylvester | 1988-11-01 |
| 4717538 | Molybdenum-tungsten-titanium-zirconium-carbon alloy system | Gene Schaeffer, Harry D. Martin, III | 1988-01-05 |
| 4670216 | Process for producing molybdenum and tungsten alloys containing metal carbides | Vito P. Sylvester, Harry D. Martin, III | 1987-06-02 |
| 4322248 | Doped molybdenum-tantalum wire and method for making | James A. Mullendore, Theodore L. Weaver, Clayton D. Charlesworth | 1982-03-30 |