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Innovations & New Ideas In Fine Jewelry
Uniquely Designed.
From the inside out.
A HISTORY OF INNOVATION

All of these patented ideas were achieved by combining basic
geometry with sense of design in doing so, we achieved
one piece designs that yield common sense solutions to
long standing problems. Creating the perfect balance
between form and function.
In short, every is uniquely designed from the inside out.
Kohl Diamond Cutting 1912

For over 100 years we have been developing innovative ways to design and manufacture new ideas that touch every facet of the Jewelry Industry.
These ideas consist of patented ideas such as the InterLock Clasp, EarringLock
earring fastener, the Jewel-Lock Ring System and more continue lead the way in
Jewelry Innovation.

EARRINGLOCK
Patent No. 6,138,917
JEWEL-LOCK RINGS
Patent No. USD604,193 S



Did you know that in 1890 the patent office was
going to close due to the lack of patent applications.
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INTERLOCK CLASP


THE BETTER HALF
Patent No. USD604,193 S

JEWEL-LOCK RING SIZERS
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EARRINGlOCK SUPPORT JACKETS






JEWEL-LOCK MANDREL

Patent No. USD598791 S
THE AMERICAN SHANK

Patent No. US d560,135 S


PRINCESS CUT PRE-NOTCH

Patent No. US 6,260,384B1
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