IP Library Assignment 025475/0675
Patent Assignment
Reel/Frame 025475/0675

Assignment of Assignor's Interest

Recorded: 2010-12-13 Pages: 4
Assignors
DART, FREDERICK J.
Executed: 2004-12-17
RICHMOND, JOHN O.
Executed: 2004-12-17
Assignee
ENVIROTOWER INC.
31 EASTBOURNE AVENUE, TORONTO, ONTARIO, M5P 2E8, CANADA
Covered Properties (2)
Combining Waterborne Bionutrients with Scale Particles and Use of a Waterborne Particle Remover to Remove the Combined Particles from the Water
Patent: 8,088,287 →
Application: 11/545,393 →
Publication: US 2007/0029262
Water cleaning method and apparatus using trace quantities of zinc and at least one other biocide
Application: 11/559,820 →
Publication: US 2007/0119787
Related Assignments (1)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 13, 2010
From: ENVIROTOWER INC.
To: EVANDTEC, INC.
Reel/Frame 025493/0747 →