Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D507728 | Paint can opening and cleaning tool | David George Graff, Hermann Fruhm, Alex Feldman | 2005-07-26 |
| D468977 | Paint can scraping tool | David George Graff, Hermann Fruhm, Alex Feldman, Torsten Tuemmler | 2003-01-21 |