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Patents

Leach & Garner is well known throughout the jewelry industry for its many impressive patents for both product function & design and alloy compositions & resulting characteristics.

	PAT. NO.	Title
1	Pending	Smart Shapes
2	7,198,683	Sterling Silver alloy compositions of exceptional and reversible hardness and enhanced tarnish resistance
3	7,135,078	Nickel-free white gold alloy compositions with reversible hardness characteristics
4	6,676,776	14-karat gold alloy compositions having enhanced yellow color, reversible hardness, and fine grain structure
5	6,571,579	Earquilizer - Earring stabilizer
6	6,463,759	Twisters - Jewelry finding for producing a necklace having a twisted appearance
7	6,406,568	18-karat green gold alloy compositions
8	5,919,320	Nickel-free white gold alloy with reversible hardness characteristics
9	5,782,108	Secura Clip - Springless jewelry finding
10	5,746,067	Round bangle
11	5,598,722	Bangle closing mechanism
12	5,412,848	Clip mechanism having outwardly biased leg members
13	5,257,513	Ball earring process and construction
14	5,180,551	Leach & Garner Gold – Gold alloys of exceptional yellow color and reversible hardness
15	5,139,883	Intermetallic time-temperature integration fuse
16	5,134,039	Metal articles having a plurality of ultrafine particles dispersed therein
17	5,130,689	Intermetallic time-temperature integration fuse
18	5,000,779	Palladium based powder-metal alloys and method for making same
19	4,944,985	Method for electroless plating of ultrafine or colloidal particles and products produced thereby
20	4,869,757	Silver alloys of exceptional and reversible hardness
21	4,810,308	Silver alloys of exceptional and reversible hardness
22	4,459,829	Rigified earring post
23	4,382,317	Pin stem clutch
24	D358,114	Chain End Cap