Granted Patent
Utility
US 6,784,407 · App. 10/376,359
Bench top tubing sealer
Inventors:
Douglas F. Wright, Leonard T. Williams, Tulsie P. Summer
Patented Case
View Patent ↗
Granted: Aug 31, 2004
Filed: Feb 27, 2003
Inventors
Douglas F. Wright
Leonard T. Williams
Tulsie P. Summer
Assignee (at issue)
Engineering Research Associates, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.