Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9676903 | Polyester resin and method for preparing the same | Jong-Ryang Kim, Jae-Bong Lim, Won Jae Yoon, Dong Jin Kim, Kyu Tae Park +1 more | 2017-06-13 |
| 9169365 | Copolymerized polyester heat shrinkable film | Jong-Ryang Kim, Won Jae Yoon | 2015-10-27 |
| 8633295 | Blend of polylactic acid resin and copolyester resin, and molded product using same | Jong-Ryang Kim, Kye-Yune Lee, Jong-Wook Shin, Young-Man Yoo | 2014-01-21 |
| 4693105 | Method of and apparatus for straightening, swaging, and threading a pipe | — | 1987-09-15 |
| 4579198 | Collapsible tree stand assembly | — | 1986-04-01 |
| 4570485 | Method of and apparatus for the hydrostatic testing of threaded pipe | — | 1986-02-18 |
| 4530507 | Vibration dampening and workpiece guiding rollers for a chuck | — | 1985-07-23 |
| 4512280 | Pipe conveying apparatus | — | 1985-04-23 |
| 4483224 | Stabilizers for a steady rest | — | 1984-11-20 |
| 4417363 | Method of supporting pipe during machining | — | 1983-11-29 |
| 4397054 | Apparatus for handling pipe to effect high speed machining operations | — | 1983-08-09 |