IP Library Assignment 013399/0427
Patent Assignment
Reel/Frame 013399/0427

Assignment of Assignor's Interest

Recorded: 2002-10-15 Pages: 5
Assignors
WELCH, CLETUS N.
Executed: 2002-10-10
KING, ERIC M.
Executed: 2002-10-11
ANDERSON, LAWRENCE G.
Executed: 2002-10-11
DAUGHENBAUGH, RANDY E.
Executed: 2002-10-11
STEWART, KEVIN J.
Executed: 2002-10-11
Assignee
PPG INDUSTRIES OHIO, INC.
3800 WEST 143RD STREET, CLEVELAND, OHIO, 44111
Covered Property (1)
Photochromic Polymerizable Compositions
Patent: 6,998,072 →
Application: 10/270,622 →
Publication: US 2003/0136948
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jul 30, 2003
From: PPG INDUSTRIES OHIO, INC.
To: TRANSITIONS OPTICAL, INC.
Reel/Frame 014325/0874 →
License Apr 7, 2016
From: TRANSITIONS OPTICAL, INC.
To: TRANSITIONS OPTICAL LIMITED
Reel/Frame 038378/0629 →