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Inventor
DARBYSHIRE KENNETH
3 patents
⚠️ This page may combine multiple inventors who share the name “DARBYSHIRE KENNETH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GULLICK DOBSON LTD
2 patents
US4050256A
Sep 27, 1977
Mine roof support control systems
GULLICK DOBSON LTD
9 citations
68
US4134270A
Jan 16, 1979
Mine roof support control
GULLICK DOBSON LTD
17 citations
64
DOBSON PARK IND
1 patent
US4146271A
Mar 27, 1979
Control of self-advancing mine roof supports
DOBSON PARK IND
31 citations
90