Title:
TREATMENT OF SOLID MATERIALS
United States Patent 3539221

Inventors:
Gladstone, Robert A.
Kettaneh, Anthony
Publication Date:
11/10/1970
View Patent Images:
Download PDF 3539221 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Robert, Gladstone A.
Anthony, Kettaneh
Primary Class:
299/14
Other Classes:
219/121.780, 175/16, 241/1, 219/121.850, 125/1, 219/121.600
International Classes:
E21B7/15; E21C37/18; E21B7/14; E21C37/00; E21C37/16




<- Previous Patent (SEAT TILTING CHAIR)   |   Next Patent (PNEUMATIC CONVEYOR) ->