Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5638582 | Belt fastener with pre-set staples | Richard A. Klatt, John H. Winkelman | 1997-06-17 |
| 5599131 | Plate fastener with bolts preassembled | Donald L. Julen, Peter Ramsey, John H. Winkelman | 1997-02-04 |
| 5150505 | Hand tool for fastening snaps | — | 1992-09-29 |