Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Writing instrument comprising two concentric writing tips

Writing instrument comprising two concentric writing tips

US Patent 11124013 · Granted Sep 21, 2021

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Writing instruments2025
Self-healing seal assembly for a writing instrument2024
Retractable element for a writing implement2024
Color linker2024
Refillable free ink writing instrument, kit comprising such a writing instrument2024
Stylus for a touchscreen2023
Method and kit for applying texture in augmented reality2023
Device for mixing inks, assembly comprising the device and the method for using 2023
Nib for writing felt pen2023
Nib for writing felt pen2023
Writing instrument serving as a mechanical remote control for an electronic devi2022
Multi-function writing instrument comprising a lead-holder system2022