| 8560457 |
Enhanced network server authentication using a physical out-of-band channel |
Andrei Obrea, Arthur Parkos, Matthew John Campagna, George M. Macdonald |
2013-10-15 |
| 7913162 |
System and method for collaborative annotation using a digital pen |
Jean-Hiram Coffy, Michael Christoff, Shen-Yuan Jiang |
2011-03-22 |
| 7794036 |
Ensuring print quality for postage meter systems |
Matthew John Campagna, Frederick W. Ryan, Jr. |
2010-09-14 |
| 7328995 |
Method and apparatus for embedding information in an image |
Matthew John Campagna, Robert A. Cordery, Easwaran Nambudiri, Luis A. Sanchez |
2008-02-12 |
| 5812945 |
Metered payment cellular telephone communication system |
David W. Riley, David K. Lee, Frederick W. Ryan, Jr., Nathan Rosenberg, Anthony F. Violante +1 more |
1998-09-22 |
| 4377214 |
Method and apparatus for interfacing an electronic scale system with a storage medium |
Gary D. Cholakian |
1983-03-22 |
| 4286325 |
System and method for computing domestic and international postage |
Daniel F. Dlugos, John H. Steinmetz |
1981-08-25 |
| 4211397 |
Unit document feeding mechanism |
Leonard M. Pengue, Theodore Watkin |
1980-07-08 |
