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Vintage Jewelry Patents . Company: Coro About JewleryPatents.com. Welcome » About Us » ...
https://www.morninggloryjewelry.com/articles/jewelry-patents/coro-patents/
Coro and Trifari are responsible for almost half of all jewelry design patents up through the middle 1950’s. Philippe for Trifari patents seem to disappear after about 1954, and Katz for Coro after 1965. Jewelry Design Patents – (all approximations): From 1858 – 1925 1,203 Jewelry Design Patents Granted From 1925 – 1955 6,528 Jewelry ...
https://imageevent.com/clios_vintage_jewelry/coropatents
CORO DESIGNERS. The career of Adolf Katz, Coro’s head designer, spanned nearly 40 years. According to patent records he appears to be a remarkably talented and prolific designer, holding more jewelry design patents in his name than anyone else in the industry. Much of Coro’s incredible business success is attributable to Katz and Coro’s ...
https://www.corojewelrypatents.com/
CoroJewelryPatents.com Vintage Coro and Corocraft jewelry design patents. Vintage Designer Signed, Coro and Corocraft Jewelry for sale, Coro history, advertising and examples.
https://www.demarctreasures.com/coro-patents.html
This is the first design patent I was able to find for Coro (Cohn & Rosenberger). It was patent # 82,685 filed for on August 20, 1930 and granted on Dec. 2, 1930. It was actually an ornamental design for a pin for holding gold tees! The designer on record was a man named Ernest Dauer.
https://imageevent.com/clios_vintage_jewelry/coropatents/duettes
Coro Duette Patents When the duette frame becomes separated from the clips it is almost impossible to know what pin clips it belongs with and the duette is lost to jewellery collectors. Single duette clips can often be found but the value of a separated clip is far lower and less desirable than a …
https://www.myclassicjewelry.com/blog/vintage-jewelry-patents/
Sep 05, 2014 · Vintage Jewelry Patents on JewelryPatents.com. The JewelryPatents.com site allows you to search for a vintage jewelry patent by text, a date range, and a range of patent numbers. As an example, I searched for “coro brooch” and scrolled through the page to locate my flower basket brooch. Locating a Vintage Jewelry Patent on JewelryPatents.com
https://www.costumejewelrycollectors.com/vintage-costume-jewelry-research/costume-jewelry-marks/the-history-and-marks-of-coro-jewelry/
Aug 24, 2019 · **According to Jim Katz, the first instance of Coro necklaces using a J hook is July 15, 1948 as noted in patent record research. Coro manufactured most of their own jewelry. However, when needed, they would have other companies make some of their jewelry. Hedison manufactured some jewelry for Coro.
https://www.jewelryshoppingguide.com/coro-jewelry-guide/
What Is Coro Jewelry? Coro was popular in the 1930s, standing out with its unique collection of brooches, necklaces and bracelets. Established as a small accessory boutique, the brand was founded by Emanuel Cohn and Carl Rosenberger in New York City. ... Katz filed most of the Coro patents, including the mechanism of the Coro Duette, as well as ...
https://www.morninggloryjewelry.com/articles/jewelry-patents/patents-1940-to-1950s/
Coro and Trifari. are responsible for almost half of all jewelry design patents up through the. middle 1950’s. Philippe for Trifari patents seem to disappear after about. 1954, and Katz for Coro after 1965. Jewelry Design Patents – (all approximations): From 1858 – 1925 1,203 Jewelry Design Patents …
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