1
Ralph J Perfetto: Locking system including a customized padlock guard. Norbert P Holler, December 22, 1992: US05172574 (26 worldwide citation)

A locking system utilizing a padlock guard which is designed specifically for use with a padlock of the type disclosed in U.S. Pat. No. 3,769,821. The lock has a flat-faced cylindrical housing and an internal key cylinder-operatable bolt which can be selectively protracted through and retracted from ...


2
John E Ware, Mark R Kosinski, Jakob Bue Bjorner, Barbara Sardinha, James E Dewey, Ralph J Perfetto: Method and system for health assessment and monitoring. Optuminsight Life Sciences, Fulbright & Jaworski L, June 11, 2013: US08463623 (2 worldwide citation)

The present invention relates to an assessment technique which is conveniently practiced on a computer or over a network. The assessment technique is particularly useful in assessment of health related factors. The invention also relates to a general purpose programmable computer which is provided w ...