IP Library Granted Patent US 4,776,513
Granted Patent Utility
US 4,776,513 · App. 07/051,241

Double seal thermostat

Inventors: James J. Grinsteiner, George J. Maat
Patented Case View Patent ↗
Granted: Oct 11, 1988 Filed: May 13, 1987
Inventors
James J. Grinsteiner
George J. Maat
Assignee (at issue)
Navistar International Transportation

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 4,776,513
App. No.
07/051,241
Filed
1987-05-13
Granted
1988-10-11
Kind
A