RJ

Robert A. Johannsen

Overall (All Time): #2,104,347 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7908896 Biometric deadbolt lock assembly Timothy L. Olson, Paul J. Byrne, Kenneth C. Blaisdell, John D. Tysver 2011-03-22
4398082 Heating apparatus 1983-08-09