Electronic pen with retractable and replaceable cartridge

Assignee

• Silverbrook Research Pty

Inventors

• Kia Silverbrook (4,747 patents)
• Paul Lapstun (1,300 patents)
• Matthew John Underwood (18 patents)
• Robert John Brice (27 patents)
• Zsolt Szarka-Kovacs (9 patents)

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