Attached files
| file | filename |
|---|---|
| 8-K - FORM 8K CURRENT REPORT - SIGMA LABS, INC. | f8k011718_8k.htm |
Exhibit 16.1
January 17, 2018
U.S. Securities and Exchange Commission
100 F. Street
Washington, DC 20549 – 7561
Ladies and Gentlemen:
Re: Sigma Labs, Inc.
Commission File No. 001-38015
We have read the statements of the Company pertaining to our firm included in Item 4.01 of the Form 8-K dated January 11, 2018 and are in agreement with the statements contained in that document pertaining to our firm.
Very truly yours,
/s/ Pritchett, Siler and Hardy P.C.
Pritchett, Siler and Hardy P.C.