Plumstone – Trademark Portfolio

Entity Type: 16

Plumstone holds 3 U.S. trademarks filed with the United States Patent and Trademark Office (USPTO), with a strong focus on Class 9 (Computers & Electronics) — 2 filings in this category. The portfolio also extends into Class 22 (Cordage) across 2 Nice Classification classes. The owner is based in Grand Rapids, MI.