John E. Hoffman, Jr. has been granted 18 US patents while listed as an inventor at Ipr Licensing. The first was granted in 1983 and the most recent in January 2023. John E. Hoffman, Jr. ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list John E. Hoffman, Jr. in Hummelstown, PA, US.