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Patents for Uni-Hydro Inc.
Patents 1 - 6 of 6
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  3,678,792Jul. 25, 1972F. DvorakMetal plate shears
  3,899,950Aug. 19, 1975J. DvorakBar shear
  3,945,287Mar. 23, 1976J. DvorakSheet shear
  4,054,075Oct. 18, 1977J. DvorakShear mechanism
4,907,481Mar. 13, 1990J. Dvorak, C.J. DvorakPowered press with manual punch and die alignment capability
5,170,689Dec. 15, 1992J. DvorakMetal working machine
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