JS

John Spangler

RS Radio Systems: 6 patents #24 of 186Top 15%
Overall (All Time): #784,232 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D1080915 Pet door Nicholas Renecle, Kevin Zinn 2025-06-24
D1007785 Collar receiver Andrew Geouque, Michael Chuanbo Zhou, Robert A. Nytko 2023-12-12
D986753 Pet boundary transmitter Darrell Douglas, Jonathan L. Cornwell, Robert A. Nytko 2023-05-23
D986512 Pet boundary collar receiver Darrell Douglas, Jonathan L. Cornwell, Robert A. Nytko 2023-05-16
D985407 Pet boundary control panel Darrell Douglas, Jonathan L. Cornwell, Robert A. Nytko 2023-05-09
D575734 Guardian battery door William S. Groh 2008-08-26