Print-Rite Gets Another U.S. Patent on PR-2 Gear

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Print-Rite has announced that the U.S. Patent and Trademark Office (UPTO) has awarded the company its second patent on its PR-2 drum gear. Print-Rite’s PR-2 gear is its patented, non-infringing solution to Canon’s dongle gear, used in various HP and Canon all-in-one toner cartridges. The term dongle gear refers to a coupling mechanism between the

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