Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8246492 | Baseball/softball batting tee | — | 2012-08-21 |
| 5440953 | Knife sharpener | Fred R. Gangelhoff, James H. Gangelhoff | 1995-08-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8246492 | Baseball/softball batting tee | — | 2012-08-21 |
| 5440953 | Knife sharpener | Fred R. Gangelhoff, James H. Gangelhoff | 1995-08-15 |