| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents Granted on 1961-07-04 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 2,990,654 | Jul. 04, 1961 | J. McEwan | Lawn mower sharpening | ||
| 2,990,656 | Jul. 04, 1961 | A.H. Tompkins | Automatically operable centerless grinder | centerless grinders | |
| 2,991,380 | Jul. 04, 1961 | G.T. Pfleger | Magnetic core structure for dynamo-electric machines | induction motors | |