Patent Assignment
Reel/Frame 004389/0862
Assignment of Assignors Interest.
Recorded: 1985-03-29
Pages: 4
Assignors
SCHULTZ, STEPHEN J.
Executed: 1985-03-27
HUEBNER, JOHN F.
Executed: 1985-03-27
WIEDER, DUANE E.
Executed: 1985-03-27
PRIBISH, DENNIS S.
Executed: 1985-03-27
Assignee
PPG INDUSTRIES, INC.
PITTSBURGH, PENNSYLVANIA
Covered Property
(1)
Electric Furnace Construction
Patent:
4,620,309 →
Application:
06/717,939 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 9, 1999
From: PPG INDUSTRIES, INC.
To: PPG INDUSTRIES OHIO, INC.
Reel/Frame 009737/0591 →
Corrective Assignment to Correct Incorrect Property Numbers 08/666726;08/942182; 08/984387;08/990890;5645767;5698141;5723072;5744070; 5753146;5783116;5808063; 5811034 Previously Recorded on Reel 009737 Frame 0591. Assignor(S) Hereby Confirms the Assignment.
Mar 24, 2014
From: PPG INDUSTRIES, INC.
To: PPG INDUSTRIES OHIO, INC.
Reel/Frame 032513/0174 →