Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5133142 | Multi-caliber firearm | — | 1992-07-28 |
| 4920676 | Pistol with an interchangeable barrel | — | 1990-05-01 |
| 4707942 | Interchangeable barrel for Colt self-loading pistols | — | 1987-11-24 |
| 4608909 | Interchangeable barrel for small arms | — | 1986-09-02 |
| 4377021 | Apparatus for opening and mixing fibrous material, e.g. cotton | — | 1983-03-22 |
| 4298785 | Method and device for automatically tracking systems to the center of weld gaps, weld joints and weld reinforcements | Paul Krenzer, Karl H. Schlusnus, Hans-Jürgen Wahl | 1981-11-03 |