Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6475931 | Method for producing devices having piezoelectric films | John Pastalan, George Rittenhouse | 2002-11-05 |
| 6338222 | Universal sash tether clasp and anchoring apparatus for window counterbalancing system | Frank W. Hetman | 2002-01-15 |