Inventor · disambiguated record
Leonard E. Riggan, Jr.
Also filed as: RIGGAN JR LEONARD E · RIGGAN LEONARD E JR · ZENTMYER HUGH J
3 granted patents·265 citations·filing 1996–2000
78Inventor score
Technology areasB05C
Files withILLINOIS TOOL WORKS3
Top patents by PatentIndex Score
3 records- 0195US5904298AMeltblowing method and systemILLINOIS TOOL WORKS·Filed 1997·Granted May 18, 1999·179 cites·53 claims
- 0288US5862986AHot melt adhesive applicator with metering gear-driven headILLINOIS TOOL WORKS·Filed 1996·Granted Jan 26, 1999·63 cites·28 claims
- 0381US6680021B1Meltblowing method and systemILLINOIS TOOL WORKS·Filed 2000·Granted Jan 20, 2004·23 cites·47 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →