UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 Title of each class Trading Symbol Name of each exchange on which registered $2.50 par value Common Stock ACU NYSE American FORM 10-K [X] ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended: December 31, 2019 or [_] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from: ___________ to ___________ Commission fil ...