Vintage Jewelry Patents
Costume Jewelry Collectors
Presents
an original publication by RCJ and Dorothea Stringfield
Want to know the difference in a patent, a copyright or trademark? Visit the US Patent Website!
Also, visit Jewelry Patents, a large patent resource Jewelry Patents
Definitions:
A Design Patent only protects the appearance of an article, not it’s structural or functional features, and is usually used for decorative items.
A Utility Patent protects the structure and function of the invention.
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Original RCJ publications pages created and or authored
by Dorothea Stringfield
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