Patents per Year
Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10575645 | Barber chair tray for holding barber implements at the back of a barber chair | — | 2020-03-03 |
| 10413069 | Barber chair tray having adjustable connecting assemblies | — | 2019-09-17 |
| 9522449 | Method and system for customizing a door collar lock | Daniel Anthony Nietzel, Jame Charles Hayes, John Harold Lawrence, Michael Jon Morgan | 2016-12-20 |
| 9487989 | Door collar lock | Daniel Anthony Nietzel, Jame Charles Hayes, John Harold Lawrence, Michael Jon Morgan | 2016-11-08 |