Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D310640 | Combined postal and shipping scale | Richard Rumsey, Kenneth A. Schulz | 1990-09-18 |
| 4740164 | Circuit board inserter/extractor | Kenneth A. Schulz, David H. Brooks, Jr. | 1988-04-26 |
| D273568 | Postal scale | John Stewart | 1984-04-24 |
| D257153 | Mailing machine | Tim I. K. Oei, R. E. Anderson | 1980-09-30 |
| D254372 | Collating machine | Hans-Jurgen F. Sinn, William A. Weirsman | 1980-03-04 |