Patents per Year
Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 10817679 | Multidimensional sieving for high density low collision RFID tag fields | Allen L. Hollister, John T. Armstrong | 2020-10-27 | |
| 10063515 | Method of communicating in a radio frequency identification system using aloha networks | Allen L. Hollister, John T. Armstrong | 2018-08-28 | |
| 8791824 | Method for reading RFID tags using directional antennas | Allen L. Hollister, John T. Armstrong | 2014-07-29 | |
| 6384798 | Quadrifilar antenna | Scott A. Caslow | 2002-05-07 | |
| 5635945 | Quadrifilar helix antenna | Richard McConnell, James C. Nicoles | 1997-06-03 | |
| 4975604 | Automatic return-loss optimization of a variable fet attenuator | — | 1990-12-04 | |
| 4301451 | Erasure method for memory-type EL display devices | — | 1981-11-17 | $1,263,000 |
| 4249133 | Electroluminescent cathode ray storage tube | — | 1981-02-03 | $2,941,000 |