IP Library Granted Patent US 4,620,175
Granted Patent Utility
US 4,620,175 · App. 06/786,776

Simple thermostat for dip mounting

Inventors: Dennis K. Karr, David A. Sprankle
Patented Case View Patent ↗
Granted: Oct 28, 1986 Filed: Oct 11, 1985
Inventors
Dennis K. Karr
David A. Sprankle
Assignee (at issue)
North American Philips 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 4,620,175
App. No.
06/786,776
Filed
1985-10-11
Granted
1986-10-28
Kind
A