IP Library › Assignment 039413/0092
Patent Assignment
Reel/Frame 039413/0092

Assignment of Assignor's Interest

Recorded: 2016-08-12 Pages: 5
Assignor
DURRIDGE COMPANY INC.
Executed: 2016-03-31
Assignee
SENSORY ACQUISITION CO.
524 BOSTON ROAD, BILLERICA, MASSACHUSETTS, 01821
Covered Properties (2)
Method and Apparatus for Measuring Unattached Radon Progeny
Patent: 6,018,985 →
Application: 09/019,713 →
Method of Calibrating an Apparatus for Measuring Radon and/or Its Progeny in an Air Sample
Patent: 8,074,487 →
Application: 12/379,947 →
Publication: US 2010/0224769
Related Assignments (3)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 28, 1999
From: LANE-SMITH, DEREK R.
To: DURRIDGE CO.
Reel/Frame 010344/0629 →
Assignment of Assignor's Interest Mar 5, 2009
From: LANE-SMITH, DEREK R.
To: DURRIDGE COMPANY INC.
Reel/Frame 022422/0612 →
Change of Name Aug 12, 2016
From: SENSORY ACQUISITION CO.
To: DURRIDGE COMPANY INC.
Reel/Frame 039669/0274 →