"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 7740106 | Mobile mount for attachment of a fall arrest system A mobile mount for attachment of a fall arrest system is provided for example for aircraft and includes a base carried on ground wheels and a support which is adjustable in height upstanding from the base and an arm cantilevered over the base. At least one receptacl... | 06/22/2010 |
| 7537085 | Fall restraint anchoring post An apparatus for use in fall restraint anchoring of workers on an elevated location includes an upstanding post with at least one attachment loop at an upper end. The post is formed by plurality of coaxial cylindrical tubes each mounted as a sliding fit inside the n... | 05/26/2009 |
| 7429022 | Manhole collar for supporting a davit A manhole collar for mounting in a manhole is defined by a tube with rigid strips shaped to form lobes welded around the upper edge with a bottom edge of each lobe for engaging the ground or other surface around the manhole. A support sleeve is mounted on the tube i... | 09/30/2008 |
| 7363875 | Overload indicator for a load supporting apparatus An overload indicator for a load supporting apparatus is arranged to bend during overloading of the apparatus, thereby visually indicating the overload to a user or observer. The indicator features a longitudinal member having a U-shaped cross section defining one c... | 04/29/2008 |