Granted Patent
Utility
US 4,254,079 · App. 05/971,398
Forming non-cylindrical articles from preforms of polyalkylene terephthalate
Inventor:
Purushottam Agrawal
Patented Case
View Patent ↗
Granted: Mar 3, 1981
Filed: Dec 20, 1978
Inventor
Purushottam Agrawal
Assignee (at issue)
Monsanto 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.