1
Fred M Cohen: Pacing systems and methods for control of the ventricular activation sequence. Richard G Harrer, Charles E Cates, December 29, 1992: US05174289 (229 worldwide citation)

Apparatus and methods for improving the ventricular activation sequence of the heart by pacing at an advantageous selected ventricular location to achieve shortening of the QRS complex or pacing at multiple advantageous selected ventricular locations, either simulataneously or with a programmed dela ...


2
Fred M Cohen: Methods for control of the ventricular activation sequence. Richard G Harrer, December 7, 1993: US05267560 (173 worldwide citation)

Apparatus and methods for improving the ventricular activation sequence of the heart by pacing at an advantageous selected ventricular location to achieve shortening of the QRS complex or pacing at multiple advantageous selected ventricular locations, either simultaneously or with a programmed delay ...