Statements (17)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:US_patent
|
| gptkbp:assignee |
gptkb:Bell_Telephone_Laboratories
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:describes |
gptkb:point-contact_transistor
|
| gptkbp:fieldOfInvention |
semiconductor devices
|
| gptkbp:filingDate |
1948-06-17
|
| https://www.w3.org/2000/01/rdf-schema#label |
US2442149A
|
| gptkbp:inventedBy |
gptkb:John_Bardeen
gptkb:Walter_H._Brattain gptkb:William_B._Shockley |
| gptkbp:language |
English
|
| gptkbp:priorityDate |
1948-06-17
|
| gptkbp:publicationDate |
1948-06-17
|
| gptkbp:status |
expired
|
| gptkbp:title |
transistor
|
| gptkbp:bfsParent |
gptkb:Process_for_the_Preparation_of_Streptomycin
|
| gptkbp:bfsLayer |
7
|