Issued Patents All Time
Showing 51–51 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4195103 | Method of desensitizing carbonless paper | — | 1980-03-25 |
JC
John C. H. Chang
Wallace Computer Services: 22 patents #1 of 47Top 3%
Wallace Business Forms: 2 patents #2 of 3Top 70%
Champion International Corporation Limited: 1 patents #121 of 278Top 45%
Union Carbide Chemicals & Plastics Technology: 1 patents #352 of 701Top 55%
Overall (All Time): #53,090 of 4,157,543Top 2%
51
Patents All Time