JF

John A. Frank

Xerox: 6 patents #1,991 of 8,622Top 25%
Overall (All Time): #892,304 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5153618 Ionographic imaging system Joseph Mammino, Dennis A. Abramsohn, Donald S. Sypula, Jerome P. Chasko, William L. Gary +4 more 1992-10-06
5138349 Apparatus for reducing the effects of ambient humidity variations upon an ionographic printing device Brendan C. Casey, William L. Gary 1992-08-11
5081475 Vertical line width control ionographic system Brendan C. Casey, Robert Robideau 1992-01-14
5073434 Ionographic imaging system Joseph Mammino, Dennis A. Abramsohm, Donald S. Sypula, Jerome P. Chasko, William L. Gary +4 more 1991-12-17
5039598 Ionographic imaging system Dennis A. Abramsohn, Joseph Mammino, Brendan C. Casey, Donald S. Sypula 1991-08-13
4812860 Heater for ionographic marking head array Nicholas K. Sheridan, Richard G. Stearns, Brendan C. Casey, William L. Gary 1989-03-14