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| Number | Title | Issue Date |
| 7214021 | Helical grooved pin A helical grooved pin for insertion into a hole in a hard host material includes a formed portion of helical lands and grooves. Pin material from the grooves is displaced to define lands at an expanded diameter relative to the pin stock material. The forming process... | 05/08/2007 |
| 7097403 | Reduced material fastener A reduced material fastener has a shank cross-section selected to provide a parting line. Having a parting line means that the fastener may be made using two opposing dies, including roller dies, to cold form the cross-section. The cross-sections do not have to be s... | 08/29/2006 |
| 7014407 | Full-round, offset-head nail A wire nail for use with a powered nail-driving tool has a full-round head with an axis that is offset from an axis of the integrally formed shank. An outer circumferential surface of the shank is at least as offset from the shank axis in one radial direction as a c... | 03/21/2006 |
| 6969039 | Driving device for support device A driving device for driving a support device into an object. The driving device includes a driving end adapted to receive a blow from a driving tool and an extension portion extending from the driving end, the extended portion adapted to contact a shank of the supp... | 11/29/2005 |
| 5299897 | Masonry fastener A one-piece fastener adapted to be driven into a drilled hole in masonry material. The fastener includes features which define a helical flight causing the fastener to rotate as it is driven in place. The fastener shank is configured to cause abrasion of ... | 04/05/1994 |
| 4325657 | Roof support pin A roof support pin for insertion into the strata of the roof including an elongate rod having a non-circular cross-section to provide corners, the rod being twisted so that the corners provide longitudinal substantially helical fins for turning into and g... | 04/20/1982 |
| 3977142 | Floor nail This invention provides a fastener which includes a shank having a head on one end and a conical portion on the other, the apex of the conical portion constituting a piercing point for the fastener. The shank includes a smooth cylindrical portion adjacent... | 08/31/1976 |
| 3942329 | Flexible rock bolt A flexible rock bolt for use in anchoring mine structures to ground formations and in supporting such structures which consists of a rock bolt helically coiled into a spring shape having relatively large pitch and a spring index of at least two which allo... | 03/09/1976 |
