Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4687338 | Method of measurement of haze in transparencies | Harry L. Task | 1987-08-18 |
| H315 | Method of measuring optical properties of a transparency | Harry L. Task | 1987-08-04 |
| 4679917 | Device for measuring intraocular light scatter | Harry L. Task | 1987-07-14 |
| H293 | Portable visual function tester | Harry L. Task | 1987-06-02 |
| 4623258 | Method for measuring haze in transparencies | Harry L. Task | 1986-11-18 |
| 4618231 | Accommodative amplitude and speed measuring instrument | Harry L. Task | 1986-10-21 |
| 4607923 | Contrast sensitivity function measurement chart and method | Harry L. Task | 1986-08-26 |
| 4572630 | Variable contrast direct read-out vision tester | Harry L. Task | 1986-02-25 |
| 4461570 | Method for dynamically recording distortion in a transparency | Harry L. Task | 1984-07-24 |
| 4398685 | Aerial day/night refueling stations | Harry L. Task, John F. Courtright | 1983-08-16 |
| 4397554 | Transparency halation measurement method and apparatus | Robert G. Eggleston | 1983-08-09 |
| 4377341 | System for measuring angular deviation in a transparency | Harry L. Task, Kenneth L. Smith, Albert G. Dabbs | 1983-03-22 |
| 4310242 | Field test unit for windscreen optical evaluation | Harry L. Task | 1982-01-12 |