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Patent Assignment Abstract of Title
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Total Assignments: 1
Patent #:
Issue Dt:
12/21/1999
Application #:
29097661
Filing Dt:
12/11/1998
Inventors:
DAVID J. RITCH, MARK B. SAFFELL
Title:
CHAIR
Assignment: 1
Reel/Frame:
062078/0770Recorded: 12/01/2022Pages: 32
Conveyance:
COLLATERAL ASSIGNMENT OF PATENTS
Assignors:
Exec Dt:
11/29/2022
Exec Dt:
11/29/2022
Assignee:
500 FIRST AVENUE
PITTSBURGH, PENNSYLVANIA 15219
Correspondent:
LUCAS E. GOODE
901 LAKESIDE AVENUE
NORTH POINT
CLEVELAND, OH 44114

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