IP Library › Granted Patent US 4,425,115
Granted Patent Utility
US 4,425,115 · App. 05/898,569

Ultrasonic resonant vibrator

Inventor: David G. Wuchinich
Patented Case View Patent ↗
Granted: Jan 10, 1984 Filed: Apr 21, 1978
Inventor
David G. Wuchinich

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 4,425,115
App. No.
05/898,569
Filed
1978-04-21
Granted
1984-01-10
Kind
A