Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4293238 | Ditchless drainlayer | Eduard N. Kuzin, Vladimir F. Korelin, Mikhail L. Fainzilber, Jury P. Egorov, Igor V. Erofeenko +4 more | 1981-10-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4293238 | Ditchless drainlayer | Eduard N. Kuzin, Vladimir F. Korelin, Mikhail L. Fainzilber, Jury P. Egorov, Igor V. Erofeenko +4 more | 1981-10-06 |