| All Patents in class 403/328 |
Patents 16 -
20
of 20
      |
| Number | Date | Patentee | Title | Type |
| 2,290,215 | Jul. 21, 1942 | S.L. Stenberg | Tool Holder for Machine Tools | metalworking machine tool holders |
| 2,721,090 | Oct. 18, 1955 | F.A. Kaman | Socket retainer for rotary power tools | |
| 2,774,430 | Dec. 18, 1956 | W.J. Blazek | Latching means for die set retainers | dies for punch presses |
| 2,896,985 | Jul. 28, 1959 | W. Brantz | Socket | wrench sockets |
| 5,011,324 | Apr. 30, 1991 | G.A. Putney | Detent Structure Having a Retaining Lip with a Smooth Continuous Outer Surface Free from Stress-Concentrating Corners | |
