Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9964649 | Packaging for retro-reflective markers | Helen Zinreich Shafer, Douglas Crumb | 2018-05-08 |
| 9085401 | Packaging for retro-reflective markers | Helen Zinreich Shafer, Douglas Crumb | 2015-07-21 |
| 8672490 | High reflectivity retro-reflective marker | Helen Zinreich Shafer, Douglas Crumb | 2014-03-18 |
| 8668342 | Material thickness control over retro-reflective marker | Helen Zinreich Shafer, Douglas Crumb | 2014-03-11 |
| 8668343 | Reflective marker with alignment feature | Helen Zinreich Shafer, Douglas Crumb | 2014-03-11 |
| 8668344 | Marker sphere including edged opening to aid in molding | Helen Zinreich Shafer, Douglas Crumb | 2014-03-11 |
| 8668345 | Retro-reflective marker with snap on threaded post | Helen Zinreich Shafer, Douglas Crumb | 2014-03-11 |
| 8662684 | Radiopaque core | Helen Zinreich Shafer, Douglas Crumb | 2014-03-04 |
| 8661573 | Protective cover for medical device having adhesive mechanism | Helen Zinreich Shafer, Douglas Crumb | 2014-03-04 |
| 8651274 | Packaging for retro-reflective markers | Helen Zinreich Shafer, Douglas Crumb | 2014-02-18 |
| 8646921 | Reflective marker being radio-opaque for MRI | Helen Zinreich Shafer, Douglas Crumb | 2014-02-11 |
| 8641210 | Retro-reflective marker including colored mounting portion | Helen Zinreich Shafer, Douglas Crumb | 2014-02-04 |