Granted Patent
Utility
US 4,462,771 · App. 06/232,527
Wrap element and tip seal for use in fluid apparatus of the scroll type and method for making same
Inventor:
Arlo F. Teegarden
Patented Case
View Patent ↗
Granted: Jul 31, 1984
Filed: Feb 9, 1981
Inventor
Arlo F. Teegarden
Assignee (at issue)
The Trane Company
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.