IP Library Granted Patent US 4,550,476
Granted Patent Utility
US 4,550,476 · App. 06/570,280

Adjustment means for a driver bit

Inventor: Charles J. DeCaro
Patented Case View Patent ↗
Granted: Nov 5, 1985 Filed: Jan 12, 1984
Inventor
Charles J. DeCaro
Assignee (at issue)
Textron 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 4,550,476
App. No.
06/570,280
Filed
1984-01-12
Granted
1985-11-05
Kind
A