Statements (14)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:US_patent
|
| gptkbp:application |
US670253A
|
| gptkbp:assignee |
gptkb:Lynn_Mason
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:fieldOfInvention |
construction materials
|
| gptkbp:filingDate |
1923-10-13
|
| https://www.w3.org/2000/01/rdf-schema#label |
US1541478A
|
| gptkbp:inventedBy |
gptkb:Lynn_Mason
|
| gptkbp:publicationDate |
1925-06-09
|
| gptkbp:requires |
A method for making colored concrete by mixing coloring matter with cement and aggregate.
|
| gptkbp:status |
expired
|
| gptkbp:title |
Method of making colored concrete
|
| gptkbp:bfsParent |
gptkb:Dr._George_Washington_Carver
|
| gptkbp:bfsLayer |
7
|