IP Library › Granted Patent US 4,185,067
Granted Patent Utility
US 4,185,067 · App. 05/509,097

Method of rotationally molding plastic articles

Inventors: John L. MacAdams, William Wu, Richard S. Joyner
Patented Case View Patent ↗
Granted: Jan 22, 1980 Filed: Sep 25, 1974
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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 4,185,067
App. No.
05/509,097
Filed
1974-09-25
Granted
1980-01-22
Kind
A