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Kelly Cunningham Nitro, WV
Professions & Specialties
News Anchor • Commercial Announcer • Presenter • Cutter
Experience & Education
United States Patent | Inventor | Appl. No. | Assignee |
---|---|---|---|
#3993355 Nov 23, 1976 Filed: Nov 17, 1975 |
Kelly G. Cunningham (Nitro, WV) | 5/632600 | |
International Classification: | E21C 3520 | 299 31 |
Patent:
Mining machine having pneumatic conveyance and cutter head floor driven about anchor
Abstract:
A mining system for extraction of coal or the like from narrow seams has a conduit system for...