Granted Patent
Utility
US 4,032,600 · App. 05/670,082
Resin formulation for rotational molding and shaped structures
Inventors:
John L. MacAdams, William Wu, Richard S. Joyner
Patented Case
View Patent ↗
Granted: Jun 28, 1977
Filed: Mar 24, 1976
Inventors
John L. MacAdams
William Wu
Richard S. Joyner
Assignee (at issue)
Chemplex, Ltd.
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.