Assignee
THOMPSON LOUIS J
US·2 granted patents·55 citations·filing 1987–1988
Technology mixE21D2
Top patents by PatentIndex Score
2 records- 0172US4793736AMethod and apparatus for continuously boring and lining tunnels and other like structuresTHOMPSON LOUIS J·Filed 1987·Granted Dec 27, 1988·42 cites·6 claims
- 0239US4915541AMethod and apparatus for continuously boring and lining tunnels and other like structuresTHOMPSON LOUIS J·Filed 1988·Granted Apr 10, 1990·13 cites·5 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →