Attached files
file | filename |
---|---|
EX-32.1 - SIGMA LABS, INC. | ex32-1.htm |
EX-31.2 - SIGMA LABS, INC. | ex31-2.htm |
EX-31.1 - SIGMA LABS, INC. | ex31-1.htm |
EX-23.2 - SIGMA LABS, INC. | ex23-2.htm |
EX-3.1 - SIGMA LABS, INC. | ex3-1.htm |
10-K - SIGMA LABS, INC. | form10-k.htm |