Patent Assignment
Reel/Frame 009587/0649
Assignment of Assignor's Interest
Recorded: 1998-11-17
Pages: 2
Assignor
HELLER, ALAN C.
Executed: 1998-11-03
Assignee
VERSUS TECHNOLOGY, INC.
2600 MILLER CREEK ROAD, TRAVERSE CITY, MICHIGAN, 49684
Covered Property
(1)
Method and System for Locating Subjects Within a Tracking Environment
Patent:
6,154,139 →
Application:
09/063,715 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Secured Convertible Debenture
Aug 23, 1999
From: VERSUS TECHNOLOGY, INC.
To: GLEN ARDEN ASSOCIATES; MALCHO, CHARLES M.; SALZER, RICHARD J.; DDJK PARTNERSHIP
Reel/Frame 010197/0696 →
Release of Security Interest
Feb 25, 2016
From: GLEN ARDEN ASSOCIATES; MALCHO, CHARLES M.; SALZER, RICHARD J.; DDJK PARTNERSHIP
To: VERSUS TECHNOLOGY, INC.
Reel/Frame 037900/0049 →
Change of Name
Jul 31, 2026
From: VERSUS TECHNOLOGY, INC.
To: MIDMARK RTLS SOLUTIONS, INC.
Reel/Frame 076101/0855 →