Properties (12)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
patent
|
| gptkbp:applicationNumber |
US_1234575
|
| gptkbp:assignee |
gptkb:General_Electric_Company
|
| gptkbp:citedBy |
gptkb:US_4567890_B2
|
| gptkbp:fieldOfInvention |
lighting technology
|
| gptkbp:filingDate |
April 12, 1916
|
| https://www.w3.org/2000/01/rdf-schema#label |
US 1234575 B2
|
| gptkbp:inventor |
gptkb:William_D._Coolidge
|
| gptkbp:issuedBy |
June 12, 1917
|
| gptkbp:patentType |
utility
|
| gptkbp:status |
active
|
| gptkbp:title |
Electric lamp
|