IP Library Assignment 016533/0180
Patent Assignment
Reel/Frame 016533/0180

Assignment of Assignor's Interest

Recorded: 2005-04-29 Pages: 3
Assignors
STEPHANSKY, JOHN J.
Executed: 2005-04-25
BERRY, JOHN E.
Executed: 2005-04-25
Assignee
HARBISON-WALKER REFRACTORIES COMPANY
400 FAIRWAY DRIVE, CHERRINGTON CORPORATE CENTER, MOON TOWNSHIP, PENNSYLVANIA, 15108
Covered Property (1)
Refractory Block
Patent: 567,829 →
Application: 29/228,940 →
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger May 18, 2023
From: HARBISON-WALKER REFRACTORIES COMPANY
To: APGI, LLC
Reel/Frame 063683/0631 →
Merger May 18, 2023
From: APGI, LLC
To: A.P. GREEN REFRACTORIES, INC.
Reel/Frame 063683/0767 →
Change of Name May 18, 2023
From: A.P. GREEN REFRACTORIES, INC.
To: HARBISONWALKER INTERNATIONAL, INC.
Reel/Frame 063692/0624 →