Patent Assignment
Reel/Frame 050398/0320
Assignment of Assignor's Interest
Recorded: 2019-09-17
Pages: 3
Assignee
RIVER ROCK INC.
11944 BACKER PL, SANTA FE SPRINGS, CALIFORNIA, 90670
Covered Property
(1)
Air Admittance Valve Preventing Mephitis Overflow
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.