IP Library › Granted Patent US 4,642,836
Granted Patent Utility
US 4,642,836 · App. 06/652,863

Cleaning wand

Inventor: David J. Bokmiller
Patented Case View Patent ↗
Granted: Feb 17, 1987 Filed: Sep 20, 1984
Inventor
David J. Bokmiller
Assignee (at issue)
Sani-Fresh International, Inc.

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 4,642,836
App. No.
06/652,863
Filed
1984-09-20
Granted
1987-02-17
Kind
A