Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert N. Lammi — 4 Patents

ACAcushnet: 4 patents #229 of 496Top 50%
Norton, MA: #48 of 151 inventorsTop 35%
Massachusetts: #27,912 of 88,656 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Robert N. Lammi has been granted 4 US patents while listed as an inventor at Acushnet. The first was granted in 1997 and the most recent in March 2005. Robert N. Lammi ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Robert N. Lammi in Norton, MA, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6872423 Heating of golf balls prior to painting Stanley W. Brown, David W. Sauerbrey 2005-03-29 $14,053,000
6755912 Heating of golf balls prior to painting Stanley W. Brown, David W. Sauerbrey 2004-06-29 $10,275,000
5783293 Golf ball with a multi-layered cover 1998-07-21 $36,037,000
5698150 Method for injection molding balata golf ball covers Samuel A. Pasqua, Jr., Lawrence E. Stanton 1997-12-16 $15,627,000