IP Library Granted Patent US 5,183,265
Granted Patent Utility
US 5,183,265 · App. 07/659,307

Racquets, in particular tennis racquets

Inventors: Helmut Umlauft, Karl-Heinz Wager
Patented Case View Patent ↗
Granted: Feb 2, 1993 Filed: May 16, 1991
Inventors
Helmut Umlauft
Karl-Heinz Wager
Assignee (at issue)
Head Sportgerate Gesellschaft m.b.H. & Co. OHG

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 5,183,265
App. No.
07/659,307
Filed
1991-05-16
Granted
1993-02-02
Kind
A