Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8808568 | Magnetorheological materials, method for making, and applications thereof | Rui Shen, Hong Yang, Shai Negev Shafrir, Chunlin Miao, Mimi Wang +2 more | 2014-08-19 |
| 8293135 | PCLC flake-based apparatus and method | Gerald P. Cox, Cathy A. Fromen, Kenneth L. Marshall | 2012-10-23 |
| 7713436 | Electrically actuatable doped polymer flakes and electrically addressable optical devices using suspensions of doped polymer flakes in a fluid host | Anka Trajkovska-Petkoska, Kenneth L. Marshall, Tanya Kosc | 2010-05-11 |
| 7238316 | Method for making precisely configured flakes useful in optical devices | Anka Trajkovska-Petkoska, Tanya Kosc, Kenneth L. Marshall | 2007-07-03 |
| 7042617 | Optical devices having flakes suspended in a host fluid to provide a flake/fluid system providing flakes with angularly dependent optical properties in response to an alternating current electric field due to the dielectric properties of the system | Tanya Kosc, Kenneth L. Marshall | 2006-05-09 |
| 6829075 | Electrically addressable optical devices using a system of composite layered flakes suspended in a fluid host to obtain angularly dependent optical effects | Tanya Kosc, Kenneth L. Marshall | 2004-12-07 |
| 6665042 | Electrically switchable polymer liquid crystal and polymer birefringent flake in fluid host systems and optical devices utilizing same | Kenneth L. Marshall, Tanya Kosc, Sadeg M. Faris, Le Li | 2003-12-16 |
| 6106380 | Deterministic magnetorheological finishing | William Kordonski, Igor Victorovich Prokhorov, Donald Golini, Gennadii Rafailovich Gorodkin, Tvasta David Strafford | 2000-08-22 |
| 5839944 | Apparatus deterministic magnetorheological finishing of workpieces | William Kordonski, Igor Victorovich Prokhorov, Donald Golini, Gennadii Rafailovich Gorodkin, Tvasta David Strafford | 1998-11-24 |
| 5804095 | Magnetorheological fluid composition | William Kordonski, Igor Victorovich Prokhorov, Donald Golini, Gennadii Rafailovich Gorodkin, Tvasta David Strafford | 1998-09-08 |
| 5795212 | Deterministic magnetorheological finishing | William Kordonski, Igor Victorovich Prokhorov, Donald Golini, Gennadii Rafailovich Gorodkin, Tvasta David Strafford | 1998-08-18 |
| 5616066 | Magnetorheological finishing of edges of optical elements | Igor Victorovich Prokhorov | 1997-04-01 |
| 5486940 | Liquid crystal light polarizer and method | James L. Fergason, Arthur Berman | 1996-01-23 |
| 5061046 | Gradient index liquid crystal devices and method of fabrication thereof | Jae-Cheul Lee | 1991-10-29 |
| 5054888 | Methods of making composite optical devices employing polymer liquid crystal | Kenneth L. Marshall, Kathleen A. Cerqua | 1991-10-08 |
| 4679911 | Optical apparatus using liquid crystals for shaping the spatial intensity of optical beams having designated wavelengths | Kathleen A. Cerqua | 1987-07-14 |
| 4272694 | System for converting the frequency of coherent radiation | — | 1981-06-09 |