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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DI

Donsco Incorporated — 8 Patents

Rank (All Time): #68,645 of 105,732Top 65%
4 inventors
8 Patents All Time

Patents per Year

Patents granted per year, 1986 to 2001Bar chart with a peak of 3 patents in 1994.peak 31986: 1 patents19861987: 2 patents19871991: 1 patents19911994: 3 patents19942001: 1 patents2001

Top Inventors at Donsco Incorporated All Time

Showing 1–4 of 4 inventors

RankNamePatents
1 Barbara J. Stork 4
2 Robert C. Swengel, Sr. 3
3 Arthur K. Mann, Sr. 1
3 Robert C. Swengel, Jr. 1