IP Library › Granted Patent US 4,728,755
Granted Patent Utility
US 4,728,755 · App. 06/888,946

Rotary switch construction and method of making the same

Inventors: Daniel L. Fowler, John W. Froeb
Patented Case View Patent ↗
Granted: Mar 1, 1988 Filed: Jul 23, 1986
Inventors
Daniel L. Fowler
John W. Froeb
Assignee (at issue)
ROBERTSHAW CONTROLS PRIVATE LIMITED

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 4,728,755
App. No.
06/888,946
Filed
1986-07-23
Granted
1988-03-01
Kind
A