IP Library Granted Patent US 4,987,586
Granted Patent Utility
US 4,987,586 · App. 07/080,404

Modem-telephone interconnect

Inventors: Allen E. Gross, Marvin F. Malm
Patented Case View Patent ↗
Granted: Jan 22, 1991 Filed: Jul 31, 1987
Inventors
Allen E. Gross
Marvin F. Malm
Assignee (at issue)
Compaq Computer Corporation

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 4,987,586
App. No.
07/080,404
Filed
1987-07-31
Granted
1991-01-22
Kind
A