Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Mary M. Lien — 2 Patents

EMEmpi: 2 patents #27 of 56Top 50%
Arden Hills, MN: #107 of 227 inventorsTop 50%
Minnesota: #24,068 of 52,454 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Mary M. Lien has been granted 2 US patents while listed as an inventor at Empi. The first was granted in 1994 and the most recent in January 1995. Mary M. Lien ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Mary M. Lien in Arden Hills, MN, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5385577 Electrode for activating pelvic reflexes Donald D. Maurer 1995-01-31 $1,052,000
5370671 Incontinence electrode apparatus Donald D. Maurer 1994-12-06 $1,300,000