AP

Alfred E. C. Piper

IL Itw Limited: 2 patents #18 of 70Top 30%
Overall (All Time): #2,362,582 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4387490 Buckles Neil P. Blackburn, Alan Michael George Meeks 1983-06-14
4312614 Security fastener John P. Palmer, Richard J. Harris 1982-01-26