Patents by Inventor Henry J. Heim

Henry J. Heim has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

Teleconferencing telephone set control panel

Patent number: D277181

Type: Grant

Filed: March 31, 1982

Date of Patent: January 15, 1985

Assignee: AT&T Technologies, Inc.

Inventors: Henry J. Heim, Alfred R. Ender

Teleconferencing telephone set control panel