IP Library › Granted Patent US 4,441,221
Granted Patent Utility
US 4,441,221 · App. 06/388,645

Child support wedge

Inventors: Klemens Enste, Sigrun Giessmann
Patented Case View Patent ↗
Granted: Apr 10, 1984 Filed: Jun 15, 1982
Inventors
Klemens Enste
Sigrun Giessmann
Assignee (at issue)
Klemens Enste

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 4,441,221
App. No.
06/388,645
Filed
1982-06-15
Granted
1984-04-10
Kind
A