| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Margaret H. Mann | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 1,196,884 | Sep. 05, 1916 | R.B. Patterson, Jr. | Appliance for mounting and demounting split pulleys | industrial machine pulleys and belt drive mechanisms | |