IP Library › Granted Patent US 4,372,161
Granted Patent Utility
US 4,372,161 · App. 06/260,012

Pneumatically operated pipe crawler

Inventors: Eric George de Buda, John R. Boon, Michael P. Dolbey
Patented Case View Patent ↗
Granted: Feb 8, 1983 Filed: May 4, 1981
Inventors
Eric George de Buda
John R. Boon
Michael P. Dolbey

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Quick Facts
Patent No.
US 4,372,161
App. No.
06/260,012
Filed
1981-05-04
Granted
1983-02-08
Kind
A