Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Phillip E. Lambert — 2 Patents

Zimmerman, MN: #35 of 80 inventorsTop 45%
Minnesota: #24,068 of 52,454 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Phillip E. Lambert has been granted 2 US patents. The first was granted in 1981 and the most recent in May 1985. Phillip E. Lambert ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Phillip E. Lambert in Zimmerman, MN, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4516393 Wheeled push rake 1985-05-14
4299079 Machine for raking or sweeping 1981-11-10