This inventor holds 1 USPTO granted patent. Top assignee: Ej USA, Inc.. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Collin S. Farmer and the Manhole Lock System.
Introduction
Collin S. Farmer is an inventor associated with East Jordan, Michigan. His work includes a patented manhole lock system designed to secure access openings.
Latest Patents
Farmer is credited with 1 patent, titled “Manhole Lock System.” The invention includes a frame positioned over an access opening and a cover that moves between open and closed positions. Its lock mechanism uses a movable lock member that prevents the cover from opening when locked and retracts to allow access when unlocked.
Career Highlights
Farmer is associated with EJ USA, Inc. His patent focuses on a practical locking mechanism for manhole covers and access openings.
Collaborations
Farmer’s listed coworker is James R. Allen.
Conclusion
Collin S. Farmer’s patented manhole lock system reflects his contribution to securing access openings through a movable cover and locking mechanism.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile