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Inventor
WIREDAL HARRY A I
SE
4 patents
⚠️ This page may combine multiple inventors who share the name “WIREDAL HARRY A I”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SANDVIK AB
2 patents
US4545443A
Oct 8, 1985
Means for drilling
SANDVIK AB
72 citations
93
US4408669A
Oct 11, 1983
Means for drilling
SANDVIK AB
75 citations
93
SANTRADE LTD
2 patents
US4440244A
Apr 3, 1984
Drill tool
SANTRADE LTD
56 citations
93
US4687368A
Aug 18, 1987
Thread structure for percussion rock drilling
SANTRADE LTD
60 citations
89