Assignee
H & S MACHINE & SUPPLY CO INC
US·5 granted patents·167 citations·filing 1982–1990
Top patents by PatentIndex Score
5 records- 0183US4704053AVersatile roof bolt assemblyH & S MACHINE & SUPPLY CO INC·Filed 1986·Granted Nov 3, 1987·54 cites·13 claims
- 0283US4655645AMethod and apparatus for anchoring roof boltsH & S MACHINE & SUPPLY CO INC·Filed 1984·Granted Apr 7, 1987·32 cites·6 claims
- 0375US4477209AAnchor bolt assemblyH & S MACHINE & SUPPLY CO INC·Filed 1982·Granted Oct 16, 1984·21 cites·2 claims
- 0468US5042961ARoof bolt with helical coil and bail anchorH & S MACHINE & SUPPLY CO INC·Filed 1989·Granted Aug 27, 1991·32 cites·9 claims
- 0559US5052861ARoof bolt with plastic sleeve and mechanical anchorH & S MACHINE & SUPPLY CO INC·Filed 1990·Granted Oct 1, 1991·28 cites·28 claims
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