Statements (14)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:US_patent
|
| gptkbp:application |
US225019A
|
| gptkbp:assignee |
gptkb:Lynn_Mason
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:fieldOfInvention |
concrete
coloring methods |
| gptkbp:filingDate |
1927-10-17
|
| https://www.w3.org/2000/01/rdf-schema#label |
US1745175A
|
| gptkbp:inventedBy |
gptkb:Lynn_Mason
|
| gptkbp:publicationDate |
1930-01-21
|
| gptkbp:status |
expired
|
| gptkbp:title |
Method of making colored concrete
|
| gptkbp:bfsParent |
gptkb:Julius_Edgar_Lilienfeld
|
| gptkbp:bfsLayer |
6
|