Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Impact printing device with an improved print hammer

Impact printing device with an improved print hammer

US Patent 4429342 · Granted Jan 31, 1984

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Microprocessor-controlled printing mechanism having an opto-electronic sensor1985
Damping device for an electromagnetically driven printing hammer1982
Device for printing out indices and powers in typewriters1980