Kellar; John D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kellar; John D..The latest application filed is for "vacuum holder with anti-bulging means used to shape glass sheets".
- Kellar; John D. - Pontypool CA
- Kellar; John D. - Oshawa Ontario CA
| Patent | Date |
|---|---|
| Vacuum holder with anti-bulging means used to shape glass sheets Grant 4,511,387 - Kellar , et al. April 16, 1 | 1985-04-16 |
| Deformable vacuum mold for shaping glass sheets Grant 4,349,375 - Kellar , et al. September 14, 1 | 1982-09-14 |
| Transferring rigid sheets from one conveyor to another Grant 4,325,723 - Kellar , et al. April 20, 1 | 1982-04-20 |
| Controlling overheating of vacuum mold used to shape glass sheets Grant 4,297,118 - Kellar , et al. October 27, 1 | 1981-10-27 |
| Method and apparatus for shaping glass sheets using deformable vacuum mold Grant 4,277,276 - Kellar , et al. July 7, 1 | 1981-07-07 |
| Manufacture Of Glass Sheets Having Predetermined Outline Shapes Grant 3,717,290 - Bentley , et al. February 20, 1 | 1973-02-20 |
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