Issued Patents All Time
Showing 51–64 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7646538 | Methods and apparatus for creating apertures through microlens arrays using curved cradles | Richard Neal Gardner, Brian Craig Cox, Reese A. Jernigan, David Reed | 2010-01-12 |
| 7608347 | Modifiers for gypsum slurries and method of using them | Dennis Mark Lettkeman, Michael P. Shake, Qingxia Liu, Brian Randall, David R. Blackburn | 2009-10-27 |
| 7572328 | Fast drying gypsum products | Dennis Mark Lettkeman, Qingxia Liu, Brian Randall, David R. Blackburn, Michael P. Shake | 2009-08-11 |
| 7572329 | Method of making a gypsum slurry with modifiers and dispersants | Qingxia Liu, David R. Blackburn, Michael P. Shake, Brian Randall, Dennis Mark Lettkeman | 2009-08-11 |
| 7504165 | High strength flooring compositions | Dennis Mark Lettkeman, William Kelly Bedwell | 2009-03-17 |
| 6644985 | Ball attached zero insertion force socket | Rex W. Keller, Ghyath Issak | 2003-11-11 |
| 5196539 | Ester-containing quaternary pyridinium salts | Alexandra D. Bermel | 1993-03-23 |
| 5196538 | Ester-containing quaternary pyridinium salts | Alexandra D. Bermel | 1993-03-23 |
| 5187037 | Toners and developers containing ester-containing quaternary ammonium salts as charge control agents | Alexandra D. Bermel | 1993-02-16 |
| 5184432 | Tool for sharpening tungsten electrodes | — | 1993-02-09 |
| 5162188 | Toners and developers containing amide-containing quaternary ammonium salts as charge control agents | Alexandra D. Bermel | 1992-11-10 |
| 5126225 | Toners and developers containing ether-containing quaternary ammonium salts as charge control agents | Alexandra D. Bermel | 1992-06-30 |
| 4770097 | Mining method with no delay between shot initiator and firing | Arthur E. Roffe, Derek O'Beirne, Ratikant Koovarjee, Ivan M. Pleaner, Rolf Bohme | 1988-09-13 |
| 4299178 | Furnace and heat storage assembly | — | 1981-11-10 |