IP Library › Granted Patent US 911,554
Granted Patent S1
US 911,554 · App. 29/711,664 · Granted Feb 23, 2021

Security door grill

Inventor: Chante' Christensen (Salt Lake City, UT)
Assignee: Larson Manufacturing Company of South Dakota, Inc.
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 911,554
App. No.
29/711,664
Granted
Feb 23, 2021
Kind
S1
Claims (1)

The ornamental design for a security door grill, as shown and described.

Assignments (2)
ENTITY CONVERSION Recorded Mar 12, 2021
From: LARSON MANUFACTURING COMPANY OF SOUTH DAKOTA, INC.
To: LARSON MANUFACTURING COMPANY OF SOUTH DAKOTA, LLC
Reel/Frame 055582/0362 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 1, 2019
From: CHRISTENSEN, CHANTE'
To: LARSON MANUFACTURING COMPANY OF SOUTH DAKOTA, INC.
Reel/Frame 050890/0828 →