Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:US_patent
|
| gptkbp:applicationDeadline |
1972-10-17
|
| gptkbp:assignee |
gptkb:Motorola,_Inc.
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:fieldOfInvention |
mobile telephony
|
| gptkbp:inventedBy |
gptkb:Martin_Cooper
|
| gptkbp:language |
English
|
| gptkbp:patent |
3774914
|
| gptkbp:priorityDate |
1972-10-17
|
| gptkbp:publicationDate |
1973-11-27
|
| gptkbp:status |
expired
|
| gptkbp:title |
gptkb:Radio_telephone_system
|
| https://www.w3.org/2000/01/rdf-schema#label |
US Patent 3774914
|