Statements (15)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:US_patent
|
| gptkbp:application |
gptkb:US_397,537
|
| gptkbp:assignee |
gptkb:Hedy_Kiesler_Markey
|
| gptkbp:citation |
precursor to modern wireless communication technologies
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:date |
August 11, 1942
|
| gptkbp:fieldOfInvention |
frequency-hopping spread spectrum
|
| gptkbp:filingDate |
June 10, 1941
|
| https://www.w3.org/2000/01/rdf-schema#label |
US Patent 2,247,926
|
| gptkbp:inventedBy |
gptkb:Hedy_Lamarr
gptkb:George_Antheil |
| gptkbp:status |
expired
|
| gptkbp:title |
gptkb:System_and_Method_for_Controlling_a_Guided_Missile
|
| gptkbp:bfsParent |
gptkb:John_W._Hammes
|
| gptkbp:bfsLayer |
6
|