Title:
Apparatus for combining and emplacing cementitious substances
United States Patent 2543517
US Patent References:
/RE16539.html
- - RE16539

/1124579.html
- - 1124579

/1153132.html
- - 1153132

/1239283.html
- - 1239283

Apparatus for spraying plastic or comminuted materials
- - 1668080


Inventors:
Elmer, Anderson William
Publication Date:
02/27/1951
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Assignee:
Zach III, Miller JO.
Primary Class:
239/602
Other Classes:
239/327, 239/591, 366/11, 451/102, 239/336
International Classes:
B28C5/02; E04F21/12; B28C5/00; E04F21/02
US Patent References:
1935977Control device for spray mixing apparatus
2231489Apparatus for producing and emplacing cementitious substances