IP Library Granted Patent US 4,042,744
Granted Patent Utility
US 4,042,744 · App. 05/360,334

Multiple-color transfer elements and process

Inventors: Douglas A. Newman, Allan T. Schlotzhauer
Patented Case View Patent ↗
Granted: Aug 16, 1977 Filed: May 14, 1973
Inventors
Douglas A. Newman
Allan T. Schlotzhauer
Assignee (at issue)
Columbia Ribbon & Carbon Mfg. Co., 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 4,042,744
App. No.
05/360,334
Filed
1973-05-14
Granted
1977-08-16
Kind
A