Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5319805 | Concealed radio transmitter in a tapemeasure | Konrad K. Pangratz | 1994-06-07 | $2,348,000 |
| 5197301 | Ice cooled air conditioner and method | — | 1993-03-30 | |
| 5048641 | Van-mounted ladder assembly with concealed radio antennas | Konrad K. Pangratz | 1991-09-17 | |
| 5001772 | Power pack with concealed radio transmitter for portable cellular telephone | Konrad K. Pangratz | 1991-03-19 | |
| 4996787 | SigSauer pistol with concealed radio transmitter | Konrad K. Pangratz | 1991-03-05 | |
| 4991225 | Slidable battery holder for simulated pager with concealed radio transmitter | Konrad K. Pangratz, James Jesse | 1991-02-05 | |
| 4936037 | Pistol with concealed radio transmitter | Konrad K. Pangratz | 1990-06-26 | |
| D292514 | Radio case with antenna | — | 1987-10-27 | |
| D292287 | Case for radio and battery | — | 1987-10-13 | |
| 4653115 | Transmitter battery case | — | 1987-03-24 |