Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10330833 | Agglomerated retroreflective beads for pavement marking and methods for fabrication and use thereof | Frederick Gelfant, Kent Stough, Jr. | 2019-06-25 |
| 10241242 | Methods for fabrication of and highway marking using agglomerated retroreflective beads | Frederick Gelfant, Kent Stough, Jr. | 2019-03-26 |
| 9207373 | Methods for fabrication and highway marking usage of agglomerated retroreflective beads | Frederick Gelfant, Kent Stough, Jr. | 2015-12-08 |
| 8292539 | Agglomerated retroreflective beads for highway marking and methods for fabrication and use thereof | Frederick Gelfant, Kent Stough, Jr. | 2012-10-23 |