Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9867744 | Emergency lift and transport system | Robert S. Krolick, Duane Carling | 2018-01-16 |
| 9867745 | Emergency lift and transport system | Robert S. Krolick, Duane Carling | 2018-01-16 |
| 9861538 | Emergency lift and transport system | Robert S. Krolick, Duane Carling | 2018-01-09 |
| 9579240 | Emergency lift and transport chair | Robert S. Krolick, Duane Carling | 2017-02-28 |
| D764868 | Pizza grill baker | Robert S. Krolick | 2016-08-30 |
| D730105 | Portable pizza oven | Cory Thomas Borovicka, Robert S. Krolick | 2015-05-26 |
| 9016191 | Portable baking oven | Robert S. Krolick, Cory Thomas Borovicka | 2015-04-28 |
| D725430 | Pizza oven | Robert S. Krolick | 2015-03-31 |
| 5233655 | Data access verification system | — | 1993-08-03 |
| 5043738 | Plural frequency patch antenna assembly | Robert A. Witte | 1991-08-27 |
| 5001492 | Plural layer co-planar waveguide coupling system for feeding a patch radiator array | William N. Klimczak, Mon N. Wong, Clinton W. Pederson | 1991-03-19 |
| 4949092 | Modularized contoured beam direct radiating antenna | Timothy A. Crail | 1990-08-14 |
| 4933680 | Microstrip antenna system with multiple frequency elements | Clinton W. Pederson | 1990-06-12 |
| 4643453 | Credit card security system | Mayroma Avishur | 1987-02-17 |