Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE40700 | Retroreflective articles having microcubes, and tools and methods for forming microcubes | Liviu A. Coman, Dennis I. Couzin | 2009-04-14 |
| 7427139 | Retroreflector with controlled divergence made by the method of groove undulation | Dennis I. Couzin | 2008-09-23 |
| RE40455 | Retroreflective articles having microcubes, and tools and methods for forming microcubes | Liviu A. Coman, Dennis I. Couzin | 2008-08-12 |
| 6984047 | Retroreflector with controlled divergence made by the method of groove undulation | Dennis I. Couzin | 2006-01-10 |
| 6767102 | Retroreflective articles having microcubes, and tools and methods for forming microcubes | Anthony J. Montalbano, Liviu A. Coman, Dennis I. Couzin | 2004-07-27 |
| 6109821 | Roadway marker | Anthony A. Montalbano, Loren M. Lundtveit | 2000-08-29 |
| 6102612 | Controlled tire impact pavement marker | Robert M. Pricone, Anthony J. Montalbano, Liviu A. Coman, Michael E. Flader, Loren M. Lundtveit +3 more | 2000-08-15 |
| 6015214 | Retroreflective articles having microcubes, and tools and methods for forming microcubes | Anthony J. Montalbano, Liviu A. Coman, Dennis I. Couzin | 2000-01-18 |
| 5425596 | Pavement marker | Richard M. Steere | 1995-06-20 |
| 5340231 | Pavement marker | Richard M. Steere | 1994-08-23 |
| 5277513 | Snowplowable pavement marker using different materials | Robert M. Flanagan, Henry R. Krepel, Richard M. Steere | 1994-01-11 |
| 4854768 | Depressible roadway marker | Robert M. Flanagan | 1989-08-08 |
| 4729690 | Self-righting highway marker support and method for installing same | Michael R. Lavender, Henry R. Krepel | 1988-03-08 |
| 4596622 | Method for making an abrasion-resistant reflective marker | Robert M. Flanagan, Ramon J. Ascencio | 1986-06-24 |
| 4505590 | Mobile testing apparatus | — | 1985-03-19 |
| 4486363 | Method and apparatus for embossing a precision optical pattern in a resinous sheet | Robert M. Pricone | 1984-12-04 |
| 4340319 | Pavement marker | Glenn W. Johnson, Jr. | 1982-07-20 |
| D257586 | Highway delineator | Robert M. Flanagan | 1980-12-02 |
| 4232979 | Pavement marker | Glenn W. Johnson, Jr. | 1980-11-11 |
| 4227772 | Pavement marker | — | 1980-10-14 |
| 4224002 | Highway delineator | Robert M. Flanagan | 1980-09-23 |
| 4208090 | Reflector structure | — | 1980-06-17 |
| 4195945 | Snowplowable pavement marker and base member therefor | — | 1980-04-01 |