IP Library › Patent Application 60263920
Patent Application Provisional
App. No. 60/263,920 · Confirmation No. 5995

"U" tube at communication point in seal section to prevent solids or heavy material from entering

Inventors: Greg Wilson, Alan Howell
Provisional Application Expired
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 Code Description Pages PDF
2001-01-26 TRNA Transmittal of New Application 2 View
2001-01-26 SPEC Specification 2 View
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Quick Facts
App. No.
60/263,920
Filed
2001-01-26