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| Number | Title | Issue Date |
| 4326825 | Balanced pin for shear flow joint, and joint including the pin A metallic balanced pin for a shear flow joint, and a fastener and joint including the pin. The pin has a head, a cylindrical shank and a reduced neck. The neck includes a peripheral groove, a helical thread being an example. The inherent strengths of the... | 04/27/1982 |
| 4324516 | Tire security cap A lug nut attachment is provided for detecting the removal of a wheel lug nut, a device that serves as a tire security cap. The cap comprises a breakable shroud and means for mounting the cap to one lug nut of a wheel. When mounted thereto the cap enclose... | 04/13/1982 |
| 4225165 | Tamper-resistant fastener for utility meters A tamper-resistant fastener for use on utility meter collars. The fastener is used with standard utility meter equipment and prevents significant rotation of a collar takeup ring screw in either the threading or unthreading direction. Once one form of the... | 09/30/1980 |
| 4082130 | Fastening means A fastener consisting essentially of a male member and a female member having a bore engageable over the male member, and a threaded member threadable in a partially threaded bore having an axis substantially parallel to the longitudinal axis of the male ... | 04/04/1978 |
| 3978761 | Fastener assembly A fastener assembly comprising in overlying, stacked relationship a flat washer, an elastically deformable washer and a nut all enclosed in a shroud which assures all components of the assembly are used and in their proper order. The shroud is fashioned w... | 09/07/1976 |
