Granted Patent
Utility
US 4,151,787 · App. 05/829,926
Multiple folded plastic bag method
Inventors:
Thomas Rohr, Charles E. Van Ness, Robert W. Wolfe
Patented Case
View Patent ↗
Granted: May 1, 1979
Filed: Sep 1, 1977
Inventors
Thomas Rohr
Charles E. Van Ness
Robert W. Wolfe
Assignee (at issue)
Union Carbide Corporation
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.