KEYSTONE RETAINING WALL SYSTEMS LLC
83 Marks
LLC
First Filed:Mar 18, 1993Latest Filed:Dec 1, 2025Address:4444 West 78th Street, Bloomington, MN 55435
Portfolio Overview
Registered
44(53%)Pending
3(4%)Dead
36(43%)Previous
5Top Classes
Class 19
Non-metallic Building MaterialsClass 9
Electronics, Software & Scientific EquipmentClass 42
Software, IT Services & Scientific ResearchTTAB Proceedings
Total Proceedings
5As Plaintiff
1(20%)As Defendant
4(80%)Top Firms
Dorsey & Whitney LLP(Dec 2025)
85
Thompson Hine LLP(Apr 2006)
3
Trademark Activity Timeline(1993 – 2025)
Trademark Portfolio
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