| Patents for Leon M. Bernstein |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| 4,928,937 | May 29, 1990 | L.M. Bernstein | Multi-purpose machine vise | metalworking machine vises |
| 4,934,674 | Jun. 19, 1990 | L.M. Bernstein | Two station, single action vise | machinist vises |
| 4,949,943 | Aug. 21, 1990 | L.M. Bernstein | Multiple air cylinder clamp for vise | machinist vises |
| 5,163,662 | Nov. 17, 1992 | L.M. Bernstein | Multi-purpose machine vise | metalworking machine vises |
| EP-422,048 | Jan. 13, 1993 | L.M. Bernstein | Multi-purpose machine vise | metalworking machine vises |
| 5,242,159 | Sep. 07, 1993 | L.M. Bernstein | Hydraulic double lock vise | metalworking machine vises |
| 5,310,299 | May 10, 1994 | L.M. Bernstein | Sliding clamp | work holding |
| 5,374,041 | Dec. 20, 1994 | L.M. Bernstein | Vise | machinist vises |
| 5,641,257 | Jun. 24, 1997 | L.M. Bernstein | Sliding clamp | work holding |
| 5,718,420 | Feb. 17, 1998 | L.M. Bernstein | Workholding wedge clamp | work holding |
| 5,921,536 | Jul. 13, 1999 | L.M. Bernstein | Reversible two face jaw plate for vise or clamp | machinist vises |
| D417,599 | Dec. 14, 1999 | L.M. Bernstein, I.E. Wolfe | Machine vise | vises |
| 6,012,712 | Jan. 11, 2000 | L.M. Bernstein | Double vise with self-setting clamping with the same or different size workpieces | machinist vises |
| 6,019,358 | Feb. 01, 2000 | L.M. Bernstein | Workholding wedge block with chip shield | work holding |
| 7,163,201 | Jan. 16, 2007 | L.M. Bernstein | Two station vise | machinist vises |
