Defending a Patent: Lessons from Hal Philipp’s Entrepreneurial Journey
Update: 2025-08-14
Description
Today Robert J. Marks and Bradley Norris continue their conversation with Hal Philipp, inventor of the modern touchscreen. In Part 1, we covered several of Hal’s earlier inventions, including the creation of the charge transfer sensor. Today, we’ll be hearing about how the sensor led to touchscreens as we know them today and what happened in their aftermath. Philipp also Read More ›
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