Patent Assignment
Reel/Frame 026124/0335
Assignment of Assignor's Interest
Recorded: 2011-04-14
Pages: 3
Assignor
VILLAGRA FUENTES, ALEX MANUEL
Executed: 2011-03-07
Assignee
INGENIERIA Y CONSTRUCCION BIOFILTRO LIMITADA
LAS HORTENSIAS 2836 DPTO 302, PROVIDENCIA, CHILE
Covered Property
(1)
Method and System for Inoculating Bacteria in Contaminated Water Using Earthworm Humus
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Jan 16, 2014
From: INGENIERIA Y CONSTRUCCION BIOFILTRO LIMITADA
To: INVERSIONES BIOFILTRO LTDA.
Reel/Frame 031984/0458 →
Assignment of Assignor's Interest
Jan 21, 2014
From: INVERSIONES BIOFILTRO LTDA.
To: BIOFILTRO S.P.A.
Reel/Frame 032009/0028 →
Assignment of Assignor's Interest
Jun 10, 2021
From: BIOFILTRO S.P.A.
To: BIOFILTRO USA, INC.
Reel/Frame 056503/0232 →