Granted Patent
Utility
US 4,673,035 · App. 06/816,288
Method and apparatus for injection of tubing into wells
Inventor:
Thomas C. Gipson
Patented Case
View Patent ↗
Granted: Jun 16, 1987
Filed: Jan 6, 1986
Inventor
Thomas C. Gipson
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.