Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4726900 | Stacked sheet filter element | John Pearson | 1988-02-23 |
| 4456033 | Perforated sheet stock flow restrictor | George Kay | 1984-06-26 |
| 4398563 | Multi-tube flow restrictor | George Kay | 1983-08-16 |
| 4352373 | Disc-reel sound suppressor | George Kay | 1982-10-05 |