US2442149A

URI: https://gptkb.org/entity/US2442149A
GPTKB entity
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
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 gptkb:transistor
gptkbp:bfsParent gptkb:Process_for_the_Preparation_of_Streptomycin
gptkbp:bfsLayer 7
https://www.w3.org/2000/01/rdf-schema#label US2442149A