IP Library Assignment 036216/0237
Patent Assignment
Reel/Frame 036216/0237

Assignment of Assignor's Interest

Recorded: 2015-07-30 Pages: 3
Assignors
CHEN, CHAO CHI
Executed: 2015-04-22
CHIANG, MICHAEL
Executed: 2015-04-22
Assignee
RIVER ROCK INC.
11944 BAKER PL, SANTA FE SPRINGS, CALIFORNIA, 90670
Covered Property (1)
Air Admittance Valve Preventing Mephitis Overflow
Patent: 9,863,546 →
Application: 14/813,422 →
Publication: US 2016/0201814
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Feb 5, 2024
From: RIVER ROCK INC.
To: CHIANG, MICHAEL
Reel/Frame 066346/0920 →