| 9344756 |
System and method for transmitting files from a sender to a receiver in a television distribution network |
Matthew R. Schrier, John F. Denison, John Wurtz |
2016-05-17 |
| 7594254 |
System and method for transmitting files from a sender to a receiver in a television distribution network |
Matthew R. Schrier, John F. Denison, John Wurtz |
2009-09-22 |
| 5405205 |
Sheet medium transport system, particularly for printers and plotters |
John C. Venthem, Marlan L. Schmidt |
1995-04-11 |
| 5383733 |
Ribbon cassette for a printer |
Charles D. Zinsmeyer, Dan R. Poole, Carl Massey |
1995-01-24 |
| 5333005 |
Apparatus for raising and lowering plotter marking devices |
John C. Venthem |
1994-07-26 |
| 5267802 |
Ribbon cassette storage and transfer apparatus for a printer |
John C. Venthem, Charles D. Zinsmeyer |
1993-12-07 |
| 4928256 |
Digitizer for position sensing |
Dan R. Poole |
1990-05-22 |
| 4888710 |
Pen tip position detector |
John C. Venthem, Mark G. Hill, Dan R. Poole |
1989-12-19 |
| 4734716 |
Plotter and aligning method |
Eric Silverberg, Marvin L. Freeman, Robert A. Johnson |
1988-03-29 |
| 4479032 |
Digitizing cursor and coordinate grid system |
— |
1984-10-23 |
| 4473717 |
Digitizing system |
John Massa |
1984-09-25 |