IP Library Granted Patent US 538,253
Granted Patent S1
US 538,253 · App. 29/256,818 · Granted Mar 13, 2007

Wireless telephone handset

Assignee: Spectra Link Corp.
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Quick Facts
Patent No.
US 538,253
App. No.
29/256,818
Granted
Mar 13, 2007
Kind
S1
Claims (1)

The ornamental design for a wireless telephone handset, as shown and described.

Assignments (9)
RELEASE OF SECURITY INTEREST Recorded Sep 4, 2025
From: CIBC BANK USA, FORMERLY KNOW AS THE PRIVATEBANK AND TRUST COMPANY
To: SPECTRALINK CORPORATION
Reel/Frame 072156/0400 →
SECURITY INTEREST Recorded Jul 10, 2025
From: SPECTRALINK CORPORATION
To: KEYBANK NATIONAL ASSOCIATION
Reel/Frame 071665/0636 →
RELEASE OF SECURITY INTEREST Recorded May 18, 2016
From: BANK OF MONTREAL
To: SPECTRALINK CORPORATION
Reel/Frame 038638/0711 →
SECURITY INTEREST Recorded May 4, 2016
From: SPECTRALINK CORPORATION
To: THE PRIVATEBANK AND TRUST COMPANY
Reel/Frame 038462/0363 →
SECURITY AGREEMENT Recorded Apr 1, 2013
From: SPECTRALINK CORPORATION
To: BANK OF MONTREAL
Reel/Frame 030122/0891 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 30, 2012
From: POLYCOM, INC.
To: SPECTRALINK CORPORATION
Reel/Frame 028289/0314 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 16, 2007
From: SPECTRALINK CORPORATION
To: POLYCOM, INC.
Reel/Frame 019561/0224 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 9, 2007
From: SILVER, MITCHELL T.; SIMPSON, JEFF L.; BOROSTYAN, DAVID
To: SPECTRALINK CORPORATION
Reel/Frame 018975/0916 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 9, 2007
From: MIGGELS, STEPHEN G.; ZAMBELLI, MICHAEL; JANG, YOUNG
To: SPECTRALINK CORPORATION
Reel/Frame 018980/0090 →