DH

David J. Hurlbert

SC Schlage Lock Company: 2 patents #18 of 140Top 15%
📍 Manitou Springs, CO: #2 of 7 inventorsTop 30%
🗺 Colorado: #579 of 4,451 inventorsTop 15%
Overall (2025): #132,103 of 469,880Top 30%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12281492 Handle retention Drake Lunday, Adam M. Litwinski, Zachary Jared Wiggins, Marshall Owens 2025-04-22
12264496 Cylindrical lock with a clutching and a non-clutching configuration Kenton H. Barker 2025-04-01