AH

Alan J. Henderson

AR Argonics: 5 patents #3 of 11Top 30%
DL Dywidag-Systems International Pty Limited: 1 patents #4 of 7Top 60%
Overall (All Time): #836,809 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
9856632 Valve access conduit assembly and method of installing the assembly Joseph Roell 2018-01-02
9851039 Valve access conduit assembly and method of installing the assembly Joseph Roell 2017-12-26
9726316 Valve access conduit assembly and method of installing the assembly Joseph Roell 2017-08-08
9651187 Valve access conduit assembly and method of installing the assembly Joseph Roell 2017-05-16
7458242 Apparatus and method for manufacturing a rock bolt Mieczyslaw Rataj, Albert Taylor 2008-12-02
7441647 Tensioning assembly for conveying belt cleaning blade Daniel Wiggins, Robert J. Airaudi, Robert L. Welker, III, Jeremy Nylund, Gregory W. Cappaert 2008-10-28