| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents Granted on 1972-05-30 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| CA-901,493 | May 30, 1972 | V.C. Jones | Floor truck lock | dollies, carts and hand trucks | |
| 3,665,650 | May 30, 1972 | W.C. Przygocki | Abrasive belt control apparatus and method | sanding machines | |
| 3,666,848 | May 30, 1972 | R.C. Harper | Method of Producing Closed Mold Polyurethane Foam Moldings Free of Surface Voids by Flushing the Mold with a Vaporized Halogenated Hydrocarbon | manufacturing processes | |