| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Dynamic Specialties | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
| 3,678,792 | Jul. 25, 1972 | F. Dvorak | Metal plate shears | ||
| 3,899,950 | Aug. 19, 1975 | J. Dvorak | Bar shear | ||
| 3,945,287 | Mar. 23, 1976 | J. Dvorak | Sheet shear | ||
| 4,054,075 | Oct. 18, 1977 | J. Dvorak | Shear mechanism | ||