Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method for teaching spoken English using mouth position characters

Method for teaching spoken English using mouth position characters

US Patent 5286205 · Granted Feb 15, 1994

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Monoclonal antibody recognizing C-terminus of hBNP2004
Radioactive iodine compound for labeling an antibody1993
Tyrosylated proinsulin C-peptide derivatives1982