Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D267422 | Showerhead steamer attachment | Frederick G. Mackay, Allan B. Johnson | 1982-12-28 |
| D265245 | Motor housing for an oral hygiene appliance | Ted G. Crawford, Allan B. Johnson | 1982-06-29 |
| D263740 | Miniature cardiotachometer or the like | Robert K. Rogers, Robert R. Steuer, F. Gordon Mackay, Robert H. Horne | 1982-04-06 |