Inventor · disambiguated record

David B. Speer

Also filed as: SPEER DAVID B

2 granted patents·146 citations·filing 1987–2003

68Inventor score

Technology areasF16B Y10S

Files withILLINOIS TOOL WORKS2

Top patents by PatentIndex Score

2 records

0194US4759672AFastener head with stabilizing ringILLINOIS TOOL WORKS·Filed 1987·Granted Jul 26, 1988·125 cites·6 claims
0265US6872042B2Knurled fastener with cutting edges and removable headILLINOIS TOOL WORKS·Filed 2003·Granted Mar 29, 2005·21 cites·6 claims

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