Statements (14)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:US_patent
|
| gptkbp:application |
US190003A
|
| gptkbp:assignee |
Bell Telephone Laboratories, Inc.
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:fieldOfInvention |
Oscillator circuits
Transistor technology |
| gptkbp:filingDate |
1950-10-16
|
| gptkbp:inventedBy |
gptkb:John_B._Johnson
|
| gptkbp:publicationDate |
1955-09-13
|
| gptkbp:status |
Expired
|
| gptkbp:title |
Transistor oscillator circuit
|
| gptkbp:bfsParent |
gptkb:George_de_Mestral
|
| gptkbp:bfsLayer |
8
|
| https://www.w3.org/2000/01/rdf-schema#label |
US2717437A
|