Karl Sefcik
Location: Frisco, Texas United States
Company: Target
Profession: retail help
Number of times previously entering contest: 1
2014 Entries
| Date | Title | Category | Views | Votes |
|---|---|---|---|---|
| 06/27 | sonic boom eliminator | Automotive/Transportation | 3426 | 0 |
2011 Entries
| Date | Title | Category | Views | Votes |
|---|---|---|---|---|
| 06/29 | Aircraft Planar Correction | Transportation | 5126 | 0 |