IP Library › Granted Patent US 1,094,779
Granted Patent S1
US 1,094,779 · App. 29/979,119 · Granted Sep 23, 2025

Ladder safety device

Inventors: Alex Lajoie (St-Hyacinthe, CA); Pierre-Luc Lussier (Longueuil, CA); Kevin Key (St-Bruno-de-Montarville, CA)
Assignee: DELTA PRÉVENTION INC.
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Quick Facts
Patent No.
US 1,094,779
App. No.
29/979,119
Granted
Sep 23, 2025
Kind
S1
Claims (1)

The ornamental design for a ladder safety device, as shown and described.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 17, 2024
From: LAJOIE, ALEX; LUSSIER, PIERRE-LUC; KEY, KEVIN
To: DELTA PREVENTION INC.
Reel/Frame 069612/0130 →
Continuity (1)
Division 29756546 · Oct 29, 2020
References Cited (7)
US D315796S · Smith · 1991 [cited by examiner]
US D366531S · Wedge · 1996 [cited by examiner]
US 6314595B1 · Price · 2001 [cited by examiner]
US 8602163B2 · Davis, Jr. · 2013 [cited by examiner]
US 9932771B1 · Bramwell · 2018 [cited by examiner]
US 11982127B2 · Lajoie · 2024 [cited by examiner]
US D1059636S · Lajoie · 2025 [cited by examiner]