Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Mechanical drive mechanism for the record/playback head and pinch roller of a cassette-type telephone answering machine

Mechanical drive mechanism for the record/playback head and pinch roller of a cassette-type telephone answering machine

US Patent 4630152 · Granted Dec 16, 1986

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Reversible drive mechanism for a magnetic tape in a magnetic tape recorder1987
Drive mechanism for a two-tape telephone answering machine using a single revers1987
Slide selector switch1985