| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Canada | 3 | |
| #3 | Germany | 3 | |
| #4 | Australia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Measurement | |
| #3 | Optics |
| # | Technology | |
|---|---|---|
| #1 | Analysing materials | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Cameras |
| # | Name | Total Patents |
|---|---|---|
| #1 | Borkenstein Robert F | 11 |
| #2 | F Borkenstein Robert | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4080170A | Alcohol retainer cartridge and method for using same | |
| US3552930A | Breath sampling and analyzing apparatus | |
| US3208827A | Method for rapid quantitative analysis of ethyl alcohol | |
| US2824789A | Apparatus for analyzing a gas | |
| US2406451A | Optical means for inspection | |
| CA824116A | Method for rapid quantitative analysis of ethyl alcohol | |
| CA848695A | Breath sampling, storing, and processing apparatus and method |