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

Stephen E. Muzzell — 4 Patents

GMGulf Eastern Manufacturing: 3 patents #8 of 102Top 8%
CGChrysler Group: 1 patents #1,051 of 2,641Top 40%
Ferndale, MI: #62 of 253 inventorsTop 25%
Michigan: #22,248 of 86,293 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Stephen E. Muzzell has been granted 4 US patents while listed as an inventor at Gulf Eastern Manufacturing. The first was granted in 1981 and the most recent in March 1994. Stephen E. Muzzell ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Stephen E. Muzzell in Ferndale, MI, US.

Patents per Year

Patents granted per year, 1981 to 1994Bar chart with a peak of 1 patents in 1981.peak 11981: 1 patents19811982: 1 patents19821983: 1 patents19831994: 1 patents1994

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5289962 Cup holder Douglas P. Tull, John Vitkay, Michael F. Wallis 1994-03-01 $18,729,000
4407492 Integrated spring mat assembly for seating 1983-10-04
4325542 Seat construction 1982-04-20
4289304 Seat construction 1981-09-15