Robert E. Sadler, Jr. has been granted 5 US patents while listed as an inventor at Electrocom Gard. The first was granted in 1994 and the most recent in July 2005. Robert E. Sadler, Jr. ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Robert E. Sadler, Jr. in Des Plaines, IL, US.