Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6686305 | Methods of making low thermal expansion calcium aluminate articles | Douglas Munroe Beall, Shahid G. Lakhwani | 2004-02-03 |
| 6660669 | Forsterite glass-ceramics of high crystallinity and chrome content | George Halsey Beall, Joseph E. Pierson | 2003-12-09 |
| 6632758 | Transparent gallate glass-ceramics | George Halsey Beall, Bryce Samson | 2003-10-14 |
| 6531420 | Transparent lithium zinc magnesium orthosilicate glass-ceramics | George Halsey Beall | 2003-03-11 |
| 6388375 | Display panel backplate | Ronald Leroy Stewart, Donald M. Trotter, Jr. | 2002-05-14 |
| 6303527 | Transparent glass-ceramics based on alpha- and beta-willemite | — | 2001-10-16 |
| 6297179 | Transition-metal, glass-ceramic gain media | George Halsey Beall, Nicholas Francis Borrelli, Eric John Mozdy | 2001-10-02 |
| 6248678 | Low expansion glass-ceramics | — | 2001-06-19 |
| 6197429 | Method for making transparent glass-ceramics with high temperature dimensional stability | Josef C. Lapp, Chad Byron Moore | 2001-03-06 |
| 6130178 | Strong miserite glass-ceramics | Ronald L. Andrus, George Halsey Beall, Christine Coulter Wolcott | 2000-10-10 |
| 6124223 | .beta.-quartz-based glass-ceramics | George Halsey Beall | 2000-09-26 |
| 5968857 | Glass-ceramics | — | 1999-10-19 |
| 5952253 | Transparent apatite glass ceramics | Matthew John Dejneka | 1999-09-14 |
| 5491116 | Fine-grained glass-ceramics | George Halsey Beall | 1996-02-13 |
| 5476821 | High modulus glass-ceramics containing fine grained spinel-type crystals | George Halsey Beall | 1995-12-19 |
| 5273834 | Discs for memory storage devices | Herbert L. Hoover, Roger A. Miller, Brent M. Wedding | 1993-12-28 |
| 5256603 | Glass bonded ceramic composites | Ronald L. Andrus, John F. MacDowell | 1993-10-26 |
| 5173453 | Variably translucent glass-ceramic article and method for making | George Halsey Beall | 1992-12-22 |
| 5070044 | Brightly colored canasite glass-ceramics | — | 1991-12-03 |
| 5064461 | Blue/gray transparent glass-ceramic articles | Robert Michael Morena | 1991-11-12 |
| 4971932 | Magnetic memory storage devices | James W. Alpha, Walter L. Morgan | 1990-11-20 |
| 4814298 | Lead-free glasses for glaze materials | John W. Nelson | 1989-03-21 |
| 4687750 | Transparent glass-ceramics containing gahnite | — | 1987-08-18 |
| 4624933 | Sodium fluormica glass-ceramics | George Halsey Beall, Robert C. Doman | 1986-11-25 |
| 4608348 | Glass-ceramics containing cristobalite and potassium fluorrichterite | George Halsey Beall, John E. Megles, Jr. | 1986-08-26 |