Statements (73)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
patent
|
| gptkbp:abstract |
A method and apparatus for teaching reading using a computer.
|
| gptkbp:applicationNumber |
07/663,052
|
| gptkbp:assignee |
gptkb:Houghton_Mifflin_Company
|
| gptkbp:citedBy |
gptkb:US_5867630_A
gptkb:US_5755050_A gptkb:US_5581530_A gptkb:US_5617880_A US_5466330_A |
| gptkbp:claims |
20
|
| gptkbp:class |
G09B 9/00
G09B 9/02 G09B 9/04 G09B 9/06 G09B 9/08 G09B 9/10 G09B 9/12 G09B 9/14 G09B 9/16 G09B 9/18 G09B 9/20 G09B 9/22 G09B 9/24 G09B 9/26 G09B 9/28 G09B 9/30 G09B 9/32 G09B 9/34 G09B 9/36 G09B 9/38 G09B 9/40 G09B 9/42 G09B 9/44 G09B 9/46 G09B 9/48 G09B 9/50 G09B 9/52 G09B 9/54 G09B 9/56 G09B 9/58 G09B 9/60 G09B 9/62 G09B 9/64 G09B 9/66 G09B 9/68 G09B 9/70 G09B 9/72 G09B 9/74 G09B 9/76 G09B 9/78 G09B 9/80 G09B 9/82 G09B 9/84 G09B 9/86 G09B 9/88 G09B 9/90 G09B 9/92 G09B 9/94 G09B 9/96 G09B 9/98 |
| gptkbp:fieldOfInvention |
education
|
| gptkbp:filingDate |
March 4, 1991
|
| https://www.w3.org/2000/01/rdf-schema#label |
US 5153544 A
|
| gptkbp:inventor |
gptkb:Robert_J._H._Houghton
|
| gptkbp:issuedOn |
October 6, 1992
|
| gptkbp:priorityDate |
March 4, 1991
|
| gptkbp:relatedTo |
gptkb:US_5153543_A
gptkb:US_5153545_A gptkb:US_5153547_A gptkb:US_5153548_A gptkb:US_5153546_A |
| gptkbp:status |
expired
|
| gptkbp:title |
Method and apparatus for teaching reading
|