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

Charles C. Mentzer — 7 Patents

General Motors: 7 patents #2,267 of 18,328Top 15%
Birmingham, MI: #171 of 851 inventorsTop 25%
Michigan: #13,705 of 86,293 inventorsTop 20%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Charles C. Mentzer has been granted 7 US patents while listed as an inventor at General Motors. The first was granted in 1988 and the most recent in January 2010. Charles C. Mentzer ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Charles C. Mentzer in Birmingham, MI, US.

Patents per Year

Patents granted per year, 1988 to 2010Bar chart with a peak of 3 patents in 1989.peak 31988: 1 patents19881989: 3 patents19891990: 1 patents19902008: 1 patents20082010: 1 patents2010

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7645416 Thermoforming process for producing class “A” finish, high gloss automotive exterior parts Charles K. Buehler, Michael P. Balogh, Catherine A. Ostrander, Steven J. Schmidt 2010-01-12
7390454 Thermoforming process for producing class “A” finish, high gloss automotive exterior parts Catherine A. Ostrander, Steven J. Schmidt, Michael A. Szymberski, Charles K. Buehler 2008-06-24 $10,609,000
4957802 Article covered with painted carrier films Howard W. Cox, William T. Short 1990-09-18
4868030 Article covered with painted carrier films Howard W. Cox, William T. Short 1989-09-19
4838973 Method of applying painted carrier films to automobile body parts Howard W. Cox, William T. Short 1989-06-13
4828637 Method of applying painted carrier films to automobile body parts Howard W. Cox, William T. Short 1989-05-09
4769100 Method of applying carrier films prepainted with metallic paint to automobile body panels William T. Short, Howard W. Cox 1988-09-06