(DIR) ..                                                                
 (DOC) pat4875158.pdf                        2020-Jun-06 20:36   657.6 KB
 (DOC) pat4910655.pdf                        2020-Jun-06 20:36   847.7 KB
 (DOC) pat4912627.pdf                        2020-Jun-06 20:36   787.6 KB
 (DOC) pat4918598.pdf                        2020-Jun-06 20:36   690.6 KB