Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4312774 | Immobilization of radwastes in glass containers and products formed thereby | Catherine J. Simmons, Danh C. Tran, Nicholas Lagakos, Joseph H. Simmons | 1982-01-26 |
| 4302231 | Method of producing a glass article having a graded refractive index profile of a parabolic nature | Joseph H. Simmons, Shigeo Murai | 1981-11-24 |
| 4299608 | Joint doping of porous glasses to produce materials with high modifier concentrations | Mrinmay Samanta, Joseph H. Simmons | 1981-11-10 |
| 4236930 | Optical waveguide and method and compositions for producing same | Theodore A. Litovitz | 1980-12-02 |
| 4224177 | Fixation of radioactive materials in a glass matrix | Joseph H. Simmons, Theodore A. Litovitz | 1980-09-23 |
| 4220682 | Strengthened glass structural member | Theodore A. Litovitz | 1980-09-02 |
| 4188198 | Joint doping of porous glasses to produce materials with high modifier concentrations | Joseph H. Simmons, Mrinmay Samanta | 1980-02-12 |
| 4183620 | Joint doped porous glass article with high modifier concentrations | Mrinmay Samanta, Joseph H. Simmons | 1980-01-15 |
| 4181403 | Optical fiber with compression surface layer | Robert K. Mohr, Prabhat K. Gupta | 1980-01-01 |