US 5153568 A

GPTKB entity

Statements (27)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method and apparatus for teaching reading using a computer.
gptkbp:applicationNumber 07/688,155
gptkbp:applicationType Utility
gptkbp:assignee gptkb:Houghton_Mifflin_Company
gptkbp:citedBy gptkb:US_5755160_A
gptkb:US_5638550_A
gptkb:US_5867630_A
gptkb:US_5901940_A
US_5542030_A
gptkbp:class G09B 9/00
gptkbp:examiner gptkb:John_Doe
gptkbp:fieldOfInvention Education
gptkbp:filingDate January 3, 1991
https://www.w3.org/2000/01/rdf-schema#label US 5153568 A
gptkbp:inventor gptkb:Robert_J._H._Houghton
gptkbp:issuedOn October 6, 1992
gptkbp:legalStatus Active
gptkbp:numberOfClaims 20
gptkbp:numberOfFigures 5
gptkbp:priorityDate January 3, 1991
gptkbp:publicationNumber 5153568
gptkbp:relatedTo reading instruction
computer-assisted learning
gptkbp:status granted
gptkbp:subclass G09B 9/02
gptkbp:title Method and apparatus for teaching reading