logo

For the Inventor, By the Inventor

San Francisco, CA, United States of America

Peony Fine, Jewelry, Inc.


USPTO Granted Patents = 2

Forward Citations = 4

Loading Chart...
Loading Chart...

1 inventor (with patents filed for the assignee):

goldMedal Mark W Cheng (2 out of 42 patents)


2 patents:

1. 5289700 - Slidably adjustable earring post (1994-03-01),
2. 5211032 - Adjustable earring post (1993-05-18),
logo

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#1,298 in San Francisco, CA

#20,531 in California

#92,554 in US

...
San Francisco, CA, United States of America

Peony Fine, Jewelry, Inc.

Forward Citations = 4

1 inventor:

goldMedal Mark W Cheng (2 out of 42 patents)

Please report any incorrect information to support@idiyas.com
Loading…