| 9322421 |
Spring-loaded split-tongue connector system |
— |
2016-04-26 |
| 9010067 |
Fabricating the locking steps in the groove element of spring-loaded split-tongue locking connector system |
Nicholas Vitale |
2015-04-21 |
| 8583450 |
Doctor performance evaluation tool for consumers |
Pamela Rollins |
2013-11-12 |
| 4956554 |
Pyroelectric infra-red detectors and their method of manufacture |
Roger Pearce, Paul L. Williamson |
1990-09-11 |
| 4697081 |
Infra-red radiation detector devices |
— |
1987-09-29 |
| 4616136 |
Infra-red radiation detector |
Patrick J. R. Ball, Martin Renals |
1986-10-07 |
| 4575633 |
Pyroelectric infrared radiation detector |
Patrick J. R. Ball, Martin Renals |
1986-03-11 |
| 4489238 |
Infrared radiation detector |
— |
1984-12-18 |
| 4442357 |
Differential radiation detection apparatus |
Roger A. Lockett |
1984-04-10 |
| 4336452 |
Radiation detector circuits which inhibit depoling of the detector |
— |
1982-06-22 |
| 4198564 |
Pyroelectric detector circuits and devices |
Alexander D. Annis |
1980-04-15 |
