RA

Robert K Armstrong

Illinois Tool Works: 1 patents #2,292 of 4,258Top 55%
BL Broken Hill Proprietary Company Limited: 1 patents #29 of 106Top 30%
Overall (All Time): #2,207,146 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6635127 Steel strapping and method of making Jeffery W Doonan, Peter Ivan Unicomb 2003-10-21
4816090 Heat treated cold rolled steel strapping Jeffery W Doonan, Peter Ivan Unicomb 1989-03-28