IP Library Granted Patent US 4,614,231
Granted Patent Utility
US 4,614,231 · App. 06/774,867

Evaporators

Inventors: Robert H. Proctor, Arthur G. Hobbs, Jr., Charles S. Argyle
Patented Case View Patent ↗
Granted: Sep 30, 1986 Filed: Sep 11, 1985
Inventors
Robert H. Proctor
Arthur G. Hobbs, Jr.
Charles S. Argyle
Assignee (at issue)
Murray 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.

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 4,614,231
App. No.
06/774,867
Filed
1985-09-11
Granted
1986-09-30
Kind
A