IP Library Granted Patent US 5,488,397
Granted Patent Utility
US 5,488,397 · App. 07/787,297

Wide-swath printer/plotter using multiple printheads

Inventors: Michael A. Nguyen, Lowell J. Stewart, Daniel S. Kline, Robert A. Boeller, Chuong C. Ta, Robert D. Haselby
Patented Case View Patent ↗
Granted: Jan 30, 1996 Filed: Nov 4, 1991
Inventors
Michael A. Nguyen
Lowell J. Stewart
Daniel S. Kline
Robert A. Boeller
Chuong C. Ta
Robert D. Haselby
Assignee (at issue)
Hewlett-Packard Company, L.P.

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.

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Quick Facts
Patent No.
US 5,488,397
App. No.
07/787,297
Filed
1991-11-04
Granted
1996-01-30
Kind
A