Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671958 | Snap on latch mechanism for a sash window | Richard Kulkaski | 1997-09-30 |
| 5657975 | Clip head apparatus for retaining a semiconductor wafer on a pedestal | Richard Kulkaski | 1997-08-19 |