Pidgeon; Kenneth John
Patent Applications and Registrations
Patent applications and USPTO patent grants for Pidgeon; Kenneth John.The latest application filed is for "incorporating photochromic molecules in light transmissible articles".
- Pidgeon; Kenneth John - O'Halloran Hill AU
| Patent | Date |
|---|---|
| Incorporating photochromic molecules in light transmissible articles Grant 5,959,761 - Perrott , et al. September 28, 1 | 1999-09-28 |
| Method of preparing photochromic article Grant 5,882,556 - Perrott , et al. March 16, 1 | 1999-03-16 |
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