Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11921305 | Retroreflective traffic sign and process and apparatus for manufacturing same | — | 2024-03-05 |
| 11567246 | Retroreflective traffic sign and process and apparatus for manufacturing same | — | 2023-01-31 |
| 10838118 | Retroreflective traffic sign and process and apparatus for manufacturing same | — | 2020-11-17 |
| 10612514 | Rigid polymeric blade for a wind turbine and method and apparatus to manufacture same | John C. Nelson | 2020-04-07 |
| 10279533 | Method and apparatus for fabricating bent microneedles for use as micro-sutures in a wound closure device | John C. Nelson, Gregory Shields, William T. Nelson | 2019-05-07 |
| 10031266 | Retroreflective traffic sign and process and apparatus for manufacturing same | — | 2018-07-24 |
| 9962535 | Hollow silica glass microneedle arrays and method and apparatus for manufacturing same | — | 2018-05-08 |
| 8709331 | Apparatus and method for manufacturing microneedles | — | 2014-04-29 |
| 8236407 | Process and apparatus for fabricating precise microstructures and polymeric molds for making same | — | 2012-08-07 |
| 8226880 | Process for fabricating precise microstructures | — | 2012-07-24 |
| 8172564 | Process and apparatus for fabricating precise microstructures and polymeric molds for making same | — | 2012-05-08 |
| 7708544 | Apparatus and method for manufacturing microneedles | — | 2010-05-04 |
| 6908295 | Process and apparatus for embossing precise microstructures and embossing tool for making same | W. Scott Thielman | 2005-06-21 |
| 6558069 | Pavement marker with improved daytime visibility | Michael E. Flader, Dennis I. Couzin | 2003-05-06 |
| 6511256 | Pavement marker with improved daytime visibility and fluorescent durability | Michael E. Flader, Dennis I. Couzin, Guang-Xue Wei, Drew J. Buoni | 2003-01-28 |
| 6102612 | Controlled tire impact pavement marker | Anthony J. Montalbano, Liviu A. Coman, Michael E. Flader, Loren M. Lundtveit, Edward V. Nick +3 more | 2000-08-15 |
| 5310436 | Preprinted retroreflective highway sign and method for making the sign | Richard Zanotti, Alex Szopinski | 1994-05-10 |
| 5213872 | Preprinted retroreflective highway sign and method for making the sign | Richard Zanotti, Alex Szopinski | 1993-05-25 |
| 5156863 | Continuous embossing belt | Anthony J. Montalbano | 1992-10-20 |
| 4672089 | Retroreflective sheeting | William N. Roberts | 1987-06-09 |
| 4618518 | Retroreflective sheeting and methods for making same | William N. Roberts, Richard Zanotti | 1986-10-21 |
| 4601861 | Methods and apparatus for embossing a precision optical pattern in a resinous sheet or laminate | William N. Roberts | 1986-07-22 |
| 4486363 | Method and apparatus for embossing a precision optical pattern in a resinous sheet | Sidney A. Heenan | 1984-12-04 |
| 4478769 | Method for forming an embossing tool with an optically precise pattern | Anthony J. Montalbano | 1984-10-23 |