IP Library › Granted Patent US 4,881,083
Granted Patent Utility
US 4,881,083 · App. 06/914,706

Homing technique for an in-ground boring device

Inventors: Albert W. Chau, John E. Mercer
Patented Case View Patent ↗
Granted: Nov 14, 1989 Filed: Oct 2, 1986
Inventors
Albert W. Chau
John E. Mercer
Assignee (at issue)
FlowMole Corporation

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Quick Facts
Patent No.
US 4,881,083
App. No.
06/914,706
Filed
1986-10-02
Granted
1989-11-14
Kind
A