JH

John C. Hamma

GR Gradco/Dendoki: 12 patents #1 of 4Top 25%
DI Dresser Industries: 2 patents #301 of 787Top 40%
Pitney Bowes: 2 patents #540 of 1,308Top 45%
AS Accent Color Sciences: 1 patents #2 of 11Top 20%
BH Bell And Howell: 1 patents #131 of 293Top 45%
GS Gradco Systems: 1 patents #4 of 7Top 60%
Overall (All Time): #148,038 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 25 most recent of 27 patents

Patent #TitleCo-InventorsDate
6651507 Pressure gauge having a dampener mechanism Walter J. Ferguson, Jeffrey T. Blake, Michael J. Maloney, Louis A. Rosen 2003-11-25
6119525 Pressure gauge having dampener mechanism 2000-09-19
5793397 Printer assembly Don Barker, John J. Mercede, Jr., Mike Raymond, Norman L. Milliard 1998-08-11
5675959 Opening fingers for envelope inserting apparatus Martyn R. House, David W. Hubbard, John R. Nobile 1997-10-14
5615995 Mail piece stacking machine John R. Nobile 1997-04-01
5577278 Portable, integrated, universally adjustable position control system Donald Barker, Bruce A. Brown 1996-11-26
5507380 Stacked package separating system 1996-04-16
5508818 Mixed mail transport 1996-04-16
5503388 Buffered stacker Kenneth L. Guenther, John S. O'Callaghan, George Rabindran, Anthony Storace, Michael Wisniewski 1996-04-02
5457636 Postal finishing kiosk Ronald P. Sansone, Michael D. O'Hare, Steven M. Kaye, John T. Balga, Jr., Fran E. Blackman +5 more 1995-10-10
5438874 Pressure measuring instruments 1995-08-08
5311625 Portable, integrated, universally adjustable position control system Donald Barker 1994-05-17
5248960 Signal generating/position controlling system 1993-09-28
4466608 Movable tray sheet sorter R. Clark DuBois 1984-08-21
D271882 Universal sorter R. Clark DuBois 1983-12-20
D271775 Copying and sorting apparatus R. Clark DuBois 1983-12-13
D270253 Combined copying and sorting machine R. Clark DuBois 1983-08-23
4397461 Sorting machine R. Clark DuBois 1983-08-09
D265564 Continuous form feeding and copying apparatus R. Clark DuBois 1982-07-27
4332377 Compact sorter R. Clark DuBois 1982-06-01
4328963 Compact sorter R. Clark DuBois 1982-05-11
D264220 Copying and sorting apparatus R. Clark DuBois 1982-05-04
D264092 Continuous form feeding and copying apparatus R. Clark DuBois 1982-04-27
D263850 Continuous form feeding and copying apparatus R. Clark DuBois 1982-04-13
D263848 Copying and sorting apparatus R. Clark DuBois 1982-04-13