Issued Patents 2018
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D830491 | Electronic device for use with deterrent device | John A. Kowalczyk, Jr., Thomas O. Pierce | 2018-10-09 |
| 10047941 | Electronic device for use with deterrent device | John A. Kowalczyk, Jr. | 2018-08-14 |
| 10030939 | Adjustable rail mounting system | John A. Kowalczyk, Jr. | 2018-07-24 |
| 9903687 | Compact spring guide rod laser | John A. Kowalczyk, Jr., Kenneth R. Vorndran, Michael W. Allen, Robert J. MacBlane | 2018-02-27 |
| 9879945 | Firearm laser sight alignment assembly | Jeffrey D. Tuller, John A. Kowalczyk, Jr. | 2018-01-30 |