Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Pressure sensitive copying material

Pressure sensitive copying material

US Patent 4372581 · Granted Feb 8, 1983

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Transmission device for generating an analog modulated pulse train and for trans2014
Tool-mounting attachment2010
Grinding tool for a grinder with rotary oscillating drive2007
Method of starting a gasifier1989
Reactor for the gasification of solid carbonaceous materials1985