IP Library › Granted Patent US 3,945,559
Granted Patent Utility
US 3,945,559 · App. 05/559,167

Holders having foldable sheet support

Inventor: Richard G. Krautsack
Patented Case View Patent ↗
Granted: Mar 23, 1976 Filed: Mar 17, 1975
Inventor
Richard G. Krautsack
Assignee (at issue)
MARKETON 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 3,945,559
App. No.
05/559,167
Filed
1975-03-17
Granted
1976-03-23
Kind
A