IP Library › Granted Patent US 597,535
Granted Patent S1
US 597,535 · App. 29/287,963 · Granted Aug 4, 2009

Telephone switch box

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 597,535
App. No.
29/287,963
Granted
Aug 4, 2009
Kind
S1
Claims (1)

The ornamental design for a telephone switch box, as shown and described.

Assignments (3)
CORRECTIVE ASSIGNMENT TO CORRECT THE THE INCORRECTLY RECORDED ASSIGNMENT DOCUMENT PREVIOUSLY RECORDED AT REEL: 055878 FRAME: 0039. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. Recorded Jun 17, 2021
From: SENNHEISER COMMUNICATIONS A/S
To: EPOS GROUP A/S
Reel/Frame 056619/0836 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 9, 2021
From: SENNHEISER COMMUNICATIONS A/S
To: EPOS GROUP A/S
Reel/Frame 055878/0039 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 29, 2008
From: BRENNWALD, JORG
To: SENNHEISER COMMUNICATIONS A/S
Reel/Frame 021307/0422 →