Robertson; Alexander B.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Robertson; Alexander B..The latest application filed is for "cigarette extinguishing system".
- Robertson; Alexander B. - Highland Park IL
- Robertson; Alexander B. - Austin TX
| Patent | Date |
|---|---|
| Tobacco spoon Grant D545,492 - Schoening , et al. June 26, 2 | 2007-06-26 |
| Cigarette extinguishing system App 20050045194 - Robertson, Alexander B. | 2005-03-03 |
| Portable scale with cover Grant D359,921 - Robertson , et al. July 4, 1 | 1995-07-04 |
| Audible message novelty item Grant D346,602 - Robertson May 3, 1 | 1994-05-03 |
| Cap for a smoke inhalation device Grant D257,669 - Robertson December 23, 1 | 1980-12-23 |
| Hand operated smoking device Grant 4,172,460 - Robertson October 30, 1 | 1979-10-30 |
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