10 November (Antigua and Barbuda ) within release Inventors and Inventions goes into circulation Stamp First turbo jet airplane face value 1 East Caribbean dollar
Stamp First turbo jet airplane in catalogues | |
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Michel: | Mi: AG 2805 |
Stamp Number: | Sn: AG 2181g |
Stamp is square format.
Also in the issue Inventors and Inventions:
Stamp First turbo jet airplane it reflects the thematic directions:
An invention is a unique or novel device, method, composition, idea, or process. An invention may be an improvement upon a machine, product, or process for increasing efficiency or lowering cost. It may also be an entirely new concept. If an idea is unique enough either as a stand-alone invention or as a significant improvement over the work of others, it can be patented. A patent, if granted, gives the inventor a proprietary interest in the patent over a specific period of time, which can be licensed for financial gain.
An invention is a unique or novel device, method, composition, idea, or process. An invention may be an improvement upon a machine, product, or process for increasing efficiency or lowering cost. It may also be an entirely new concept. If an idea is unique enough either as a stand-alone invention or as a significant improvement over the work of others, it can be patented. A patent, if granted, gives the inventor a proprietary interest in the patent over a specific period of time, which can be licensed for financial gain.