Assignee
JOHNSON ALBERT O
3 granted patents·118 citations·filing 1977–1979
Top patents by PatentIndex Score
3 records- 0186US4283159AProtective shroud for offshore oil wellsJOHNSON ALBERT O·Filed 1979·Granted Aug 11, 1981·71 cites·27 claims
- 0281US4165133AMaterial handling system for wide range of materials and flow ratesJOHNSON ALBERT O·Filed 1977·Granted Aug 21, 1979·33 cites·10 claims
- 0361US4142688AApparatus for handling waste including rubber tiresJOHNSON ALBERT O·Filed 1977·Granted Mar 6, 1979·14 cites·5 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →