GUARDIAN Trademark
Serial Number: 50012403
Trademark Classes
Owner Contact Info
6120 South Yale Avenue, Ste. 1700
Tulsa, OK 74136
Entity Type: 16
Legal Representation
Correspondence Address
Todd A. Nelson GableGotwals
110 North Elgin Avenue
Ste. 200
Tulsa, OK 74120
United States
Trademark Details
Filing Date
July 24, 2026
Registration Date
Not Registered
Goods & Services
hydrogen-ready closure door system for pipelines with monitoring functions