Patent Assignment
Reel/Frame 004713/0079
Assignment of Assignors Interest.
Recorded: 1987-03-27
Pages: 2
Assignor
MARDAK, KEITH R.
Executed: 1987-03-09
Assignee
HAL LEONARD PUBLISHING CORPORATION, A CORP. OF WI
8112 WEST BLUEMOUND RD., P.O. BOX 13819, MILWAUKEE, WISCONSIN, 53213
Covered Property
(1)
Portable Viewing Stand
Patent:
4,709,895 →
Application:
07/009,574 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Dec 1, 2023
From: HAL LEONARD LLC
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 065735/0320 →
Security Interest
Dec 1, 2023
From: HAL LEONARD LLC; NOTEFLIGHT, LLC
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 065735/0727 →
Patent Security Agreement
Dec 1, 2023
From: HAL LEONARD LLC; NOTEFLIGHT, LLC
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 065744/0771 →
Release of Security Interest
Dec 18, 2025
From: JPMORGAN CHASE BANK, N.A.
To: HAL LEONARD LLC; NOTEFLIGHT, LLC
Reel/Frame 073252/0682 →
Termination and Release of Security Interest in Patents, Recorded at Reel/Frame 065744/0771
Dec 18, 2025
From: WILMINGTON TRUST, NATIONAL ASSOCIATION
To: HAL LEONARD LLC; NOTEFLIGHT, LLC
Reel/Frame 074010/0512 →