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USPTO Patent Rankings Data through Dec 31, 2025
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Irwin Magnetic Systems — 15 Patents

Rank (All Time): #38,260 of 105,732Top 40%
18 inventors
15 Patents All Time

Patents per Year

Patents granted per year, 1984 to 1991Bar chart with a peak of 4 patents in 1989.peak 41984: 1 patents19841985: 1 patents19851986: 1 patents19861987: 2 patents19871989: 4 patents19891990: 2 patents19901991: 4 patents1991

Top Inventors at Irwin Magnetic Systems All Time

Showing 1–18 of 18 inventors

RankNamePatents
1 Francis Lum 4
1 Michael L. Bolt 4
3 Edmund L. Sokolik 3
#4 John M. Chambors 2
#4 Marlin K. Klumpp 2
#4 Samuel N. Irwin 2
#7 Wolfgang Speigelstein 1
#7 Edward N. Glass 1
#7 Housan Dakroub 1
#7 Joseph H. Mueller 1
#7 Juan F. Velazquez 1
#7 Michael I. Behr 1
#7 Michael Carlson 1
#7 Richard Farkas 1
#7 Steven E. Henke 1
#7 Thomas J. Angellotti 1
#7 Wayne E. Stark 1
#7 Wolfgang Spiegelstein 1

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