Issued Patents All Time
Showing 26–50 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8918723 | Systems and methodologies comprising a plurality of computing appliances having input apparatus and display apparatus and logically structured as a main team | David H. Sitrick | 2014-12-23 |
| 8918724 | Systems and methodologies providing controlled voice and data communication among a plurality of computing appliances associated as team members of at least one respective team or of a plurality of teams and sub-teams within the teams | David H. Sitrick | 2014-12-23 |
| 8914735 | Systems and methodologies providing collaboration and display among a plurality of users | David H. Sitrick | 2014-12-16 |
| 8875011 | Systems and methodologies providing for collaboration among a plurality of users at a plurality of computing appliances | David H. Sitrick | 2014-10-28 |
| 8826147 | System and methodology for collaboration, with selective display of user input annotations among member computing appliances of a group/team | David H. Sitrick | 2014-09-02 |
| 8806352 | System for collaboration of a specific image and utilizing selected annotations while viewing and relative to providing a display presentation | David H. Sitrick | 2014-08-12 |
| 8754317 | Electronic music stand performer subsystems and music communication methodologies | David H. Sitrick | 2014-06-17 |
| 8719954 | Method and system for secure distribution of selected content to be protected on an appliance-specific basis with definable permitted associated usage rights for the selected content | David H. Sitrick | 2014-05-06 |
| 8619982 | Method and system for secure distribution of selected content to be protected on an appliance specific basis | David H. Sitrick | 2013-12-31 |
| 8053657 | System and methodology for image and overlaid annotation display, management and communication | David H. Sitrick | 2011-11-08 |
| 7989689 | Electronic music stand performer subsystems and music communication methodologies | David H. Sitrick | 2011-08-02 |
| 7612278 | System and methodology for image and overlaid annotation display, management and communication | David H. Sitrick | 2009-11-03 |
| 7098392 | Electronic image visualization system and communication methodologies | David H. Sitrick | 2006-08-29 |
| 7074999 | Electronic image visualization system and management and communication methodologies | David H. Sitrick | 2006-07-11 |
| 5251271 | Method for automatic registration of digitized multi-plane images | — | 1993-10-05 |
| 5063580 | Apparatus for conditioning a control signal | Barth Alan Canfield | 1991-11-05 |
| 5031041 | Digital detector/filter for synchronizing signals | — | 1991-07-09 |
| 5027017 | Sync tip clamp circuitry | — | 1991-06-25 |
| 5003564 | Digital signal clamp circuitry | — | 1991-03-26 |
| 4987493 | Memory efficient interlace apparatus and method as for a picture in a picture display | Barth Alan Canfield, Donald H. Willis | 1991-01-22 |
| 4970676 | Digital word-serial multiplier circuitry | — | 1990-11-13 |
| 4965669 | Apparatus for digitally controlling the D.C. value of a processed signal | Barth Alan Canfield | 1990-10-23 |
| 4890162 | Adjustable antialias filters | David Lowell McNeely | 1989-12-26 |
| 4884040 | Sampled data phase locking system | — | 1989-11-28 |
| 4882626 | Signal combining circuitry | Donald H. Willis | 1989-11-21 |