Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5477202 | Deactivating device for magnetic markers in an electronic article surveillance system | Peter J. Zarembo, John H. Kindschy | 1995-12-19 |
| 5349502 | Universal lattice for magnetic electronic article surveillance system | Roger K. Westerberg | 1994-09-20 |
| 5067736 | Slotted brake for in-line roller skate | Brennan J. Olson | 1991-11-26 |
| 5048848 | In-line roller skate with axle aperture plugs for simplified wheel installation | Brennan J. Olson | 1991-09-17 |
| D315941 | Roller skate brake | Brennan J. Olson, Charles R. Frigard | 1991-04-02 |