IP Library › Granted Patent US 5,824,912
Granted Patent Utility
US 5,824,912 · App. 08/967,220

Method of roof control in an underground mine

Inventors: John C. Stankus, Song Guo
Patented Case View Patent ↗
Granted: Oct 20, 1998 Filed: Oct 29, 1997
Inventors
John C. Stankus
Song Guo
Assignee (at issue)
Jennmar Corporation

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Quick Facts
Patent No.
US 5,824,912
App. No.
08/967,220
Filed
1997-10-29
Granted
1998-10-20
Kind
A