The following data is part of a premarket notification filed by Dynarad Corp. with the FDA for Alpha Ii.
| Device ID | K931725 | 
| 510k Number | K931725 | 
| Device Name: | ALPHA II | 
| Classification | Unit, X-ray, Extraoral With Timer | 
| Applicant | DYNARAD CORP. 19 JEFRYN BLVD. WEST Deer Park, NY 11729 | 
| Contact | Leonard Michaels | 
| Correspondent | Leonard Michaels DYNARAD CORP. 19 JEFRYN BLVD. WEST Deer Park, NY 11729 | 
| Product Code | EHD | 
| CFR Regulation Number | 872.1800 [🔎] | 
| Decision | Substantially Equivalent (SESE) | 
| Type | Traditional | 
| 3rd Party Reviewed | No | 
| Combination Product | No | 
| Date Received | 1993-04-05 | 
| Decision Date | 1993-07-14 | 
| Mark Image Registration | Serial | Company Trademark Application Date | 
|---|---|
|  ALPHA II  77125263  3328899 Dead/Cancelled | Dental Technologies, Inc. 2007-03-08 | 
|  ALPHA II  75797632  2379446 Dead/Cancelled | DIVERSIFIED RESEARCH, INC. 1999-09-13 | 
|  ALPHA II  74224189  1723545 Dead/Cancelled | STORZ INSTRUMENT COMPANY 1991-11-22 | 
|  ALPHA II  73597766  not registered Dead/Abandoned | COMPENSATION STRATEGIES, INC. 1986-05-09 | 
|  ALPHA II  73133756  1148631 Dead/Cancelled | Total Image Inc. 1977-07-13 | 
|  ALPHA II  73133755  1083830 Dead/Expired | TOTAL IMAGE INC. 1977-07-13 | 
|  ALPHA II  73091288  1085969 Dead/Cancelled | Dean Tire & Rubber Company, Inc. 1976-06-23 |