Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D603102 | Protective fielders face guard for softball and baseball | Michael Allan Polstein, Jason Polstein, Carole Polstein, Lauren Polstein | 2009-10-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D603102 | Protective fielders face guard for softball and baseball | Michael Allan Polstein, Jason Polstein, Carole Polstein, Lauren Polstein | 2009-10-27 |