IP Library › Granted Patent US 745,190
Granted Patent S1
US 745,190 · App. 29/486,136 · Granted Dec 8, 2015

Security door grill

Inventors: Bruce Thomas (Brookings, SD); Alan Dixon (Brookings, SD)
Assignee: Larson Manufacturing Company of South Dakota, Inc.
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Quick Facts
Patent No.
US 745,190
App. No.
29/486,136
Granted
Dec 8, 2015
Kind
S1
Claims (1)

The ornamental design for 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 25, 2014
From: THOMAS, BRUCE; DIXON, ALAN
To: LARSON MANUFACTURING COMPANY OF SOUTH DAKOTA, INC.
Reel/Frame 034263/0415 →