Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:US_patent
|
| gptkbp:application |
gptkb:US_62272675A
|
| gptkbp:assignee |
gptkb:Dolby_Laboratories,_Inc.
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:fieldOfInvention |
video tape recording
|
| gptkbp:filingDate |
1975-10-14
|
| gptkbp:inventedBy |
gptkb:Raymond_M._Dolby
|
| gptkbp:publicationDate |
1976-11-09
|
| gptkbp:status |
expired
|
| gptkbp:title |
Method for the production of a helical scan video tape recording
|
| gptkbp:bfsParent |
gptkb:Bill_Mensch
|
| gptkbp:bfsLayer |
6
|
| https://www.w3.org/2000/01/rdf-schema#label |
US Patent 3991351
|