Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8973022 | Method and system for using coherence of biological responses as a measure of performance of a media | Hans Christiansen Lee, Timmie T. Hong, Michael R. Fettiplace | 2015-03-03 |
| 8782681 | Method and system for rating media and events in media based on physiological data | Hans Christiansen Lee, Timmie T. Hong, Michael R. Fettiplace | 2014-07-15 |
| 8764652 | Method and system for measuring and ranking an “engagement” response to audiovisual or interactive media, products, or activities using physiological signals | Hans Christiansen Lee, Timmie T. Hong, Michael R. Fettiplace, Michael J. Lee | 2014-07-01 |
| 8473044 | Method and system for measuring and ranking a positive or negative response to audiovisual or interactive media, products or activities using physiological signals | Hans Christiansen Lee, Timmie T. Hong, Michael R. Fettiplace, Michael J. Lee | 2013-06-25 |
| 8230457 | Method and system for using coherence of biological responses as a measure of performance of a media | Hans Christiansen Lee, Timmie T. Hong, Michael R. Fettiplace | 2012-07-24 |
| 5640738 | Wet and dry vacuum cleaner | Paul G. Jacobs | 1997-06-24 |
| 5526547 | Wet and dry vacuum cleaner | Paul G. Jacobs | 1996-06-18 |
| 5347678 | Head assembly for a vacuum cleaning apparatus having dual-individually floating heads | Paul G. Jacobs | 1994-09-20 |
| 5245930 | Emergency life saving vehicle | — | 1993-09-21 |
| 5189757 | Head assembly for a vacuum cleaning apparatus | Paul G. Jacobs | 1993-03-02 |
| 5168599 | Wet and/or dry vacuum cleaning unit | — | 1992-12-08 |
| 5067584 | Low cost replaceable type sound dampening unit for vacuum cleaning machine | Paul G. Jacobs | 1991-11-26 |
| 5054158 | Scrubbing machine/vacuum cleaner | Paul G. Jacobs | 1991-10-08 |
| 5030068 | Vibration and shock damping air blower | Paul G. Jacobs | 1991-07-09 |
| 5012549 | Side loading dual pail wet vacuum with flow divider | Paul G. Jacobs | 1991-05-07 |
| 4976003 | Cleaning apparatus | — | 1990-12-11 |
| 4802953 | Continuous on-line conductivity probe | Scot D. Hoeksema | 1989-02-07 |
| 4390982 | Digital PBX system | Michael G. Burke | 1983-06-28 |
| 4293778 | Anti-theft screen construction | — | 1981-10-06 |
| 4252484 | Unstacking machine | Ronald B. Benson, William Courteau, Keith W. Nord | 1981-02-24 |
| 4234875 | Security structure | — | 1980-11-18 |
| 4221519 | Conveying and stacking machine | Keith W. Nord, Joseph G. Quast, Naaman W. Willmore, Ronald B. Benson | 1980-09-09 |