Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876392 | Process for preparation of keystones by oxidation of secondary alcohols using a trimetallic catalyst comprising molybdenum, rhenium and a group VIII noble metal | Charles Savini | 1989-10-24 |
| 4841967 | Positioning device for percutaneous needle insertion | Ming Z. Chang, Chuen M. Yeh | 1989-06-27 |