Granted Patent
Utility
US 4,564,987 · App. 06/597,101
Method for manufacturing a tail-pipe replacement kit
Inventor:
Peter R. Roberts
Patented Case
View Patent ↗
Granted: Jan 21, 1986
Filed: Apr 5, 1984
Inventor
Peter R. Roberts
Assignee (at issue)
Thrush Co., 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.