Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:US_patent
|
| gptkbp:application |
US663253A
|
| gptkbp:assignee |
gptkb:Lynn_Mason
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:describes |
A method for making colored concrete by mixing coloring matter with cement and aggregate.
|
| gptkbp:filingDate |
1923-09-17
|
| https://www.w3.org/2000/01/rdf-schema#label |
US1522176A
|
| gptkbp:inventedBy |
gptkb:Lynn_Mason
|
| gptkbp:publicationDate |
1925-01-06
|
| gptkbp:status |
Expired
|
| gptkbp:title |
Method of making colored concrete
|
| gptkbp:bfsParent |
gptkb:Dr._George_Washington_Carver
|
| gptkbp:bfsLayer |
7
|