GS

Glenn R. Sprague

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Brighton, MI: #181 of 809 inventorsTop 25%
🗺 Michigan: #22,048 of 86,293 inventorsTop 30%
Overall (All Time): #1,084,633 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D1077171 Multi-piece air filter housing Matthew J. Carr 2025-05-27
12121840 Multi-piece HVAC air filter housing, filter assembly and methods Matthew J. Carr 2024-10-22
8082630 Door hinge Keith R. Sprague 2011-12-27
4837590 Portable computer and carrying case for mobile office 1989-06-06