Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D267412 | Calculating device for conversions or the like | — | 1982-12-28 |
| D263479 | Resilient clip for retaining removable lenses in an eyeglass frame | Claus O. Huckenbeck | 1982-03-23 |
| 4283872 | Adjustable display device | — | 1981-08-18 |
| 4281890 | Optical adjustment knob for binocular | — | 1981-08-04 |
| D254078 | Slide frame for calculator or the like | — | 1980-01-29 |