DF

David B. Francis

IBM: 4 patents #21,733 of 70,183Top 35%
CN Citibank, N.A.: 1 patents #266 of 589Top 50%
LC Ligitek Electronics Co.: 1 patents #9 of 38Top 25%
MC Metal Improvement Company: 1 patents #14 of 24Top 60%
Overall (All Time): #860,632 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8479568 Apparatus for measuring variations in flatness Jack Champaigne 2013-07-09
6697960 Method and system for recovering data to maintain business continuity Barry A. Clark, Charlie Durant, John Lampinen, Dennis Malarkey, Frank Zemanik 2004-02-24
4581671 Magnetic tape recording and playback system Ronald L. Meggison 1986-04-08
4509530 System for plotting a miniature ECG Huntington W. Curtis, Frederick A. Dodge, John V. Mizzi 1985-04-09
4420815 Apparatus and method for removal of sinusoidal noise from a sampled signal 1983-12-13
4321932 Electrode impedance monitoring method apparatus for electrocardiography 1982-03-30