H. Alfred Eberhardt has been granted 38 US patents while listed as an inventor at Hale Fire Pump. The first was granted in 1980 and the most recent in April 2000. H. Alfred Eberhardt ranks #84,675 of 4,157,543 US inventors in our database (top 2.0%). Patent records list H. Alfred Eberhardt in Paoli, PA, US.