|
US4449878A
|
|
Flat clinch type nail
|
|
US4433949A
|
|
Split head fastener
|
|
US4213373A
|
|
Sheet metal nail with lockable legs
|
|
US4193333A
|
|
Non-slotted clinch type nail
|
|
US4122752A
|
|
Flat fastener for driving into metallic material
|
|
US4004483A
|
|
Fastener for attachment to metallic structures
|
|
US4003286A
|
|
Clinch type fastener
|
|
US3878756A
|
|
Nail having wedge spreadable legs
|
|
US3871264A
|
|
Driven fastener for limited penetration of metal
|
|
CA949783A
|
|
Hollow sheet metal nail
|
|
CA703330A
|
|
Driven fastener having penetrating point for attaching objects to metal
|
|
CA590015A
|
|
Adjustable broilers
|
|
CA654484A
|
|
Fastening device
|
|
CA861814A
|
|
Tapered sheet metal nail
|
