1
Keith E Carver: Multimedia distribution system for instructional materials. GTE California Incorporated, John A Odozynski, June 7, 1994: US05318450 (105 worldwide citation)

An automated classroom which integrates sources of video instructional materials, such as TV, CATV, VCR, video disk players, closed circuit TV, and the like, with sources of computer-based instructional materials is disclosed. Modulated video sources are converted to baseband and applied, along with ...


2
John S Mohlengraft: Manhole cover tool. GTE California Incorporated, John A Odozynski, October 31, 1995: US05462385 (19 worldwide citation)

A hand-operated tool for removing and replacing a wide variety of different manhole covers is disclosed. The tool includes a handle which extends upward from slip-resistant feet. A collar with forward extending ears attaches to the lower, central region of the handle. An S-hook is positioned within ...