Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
GM

Gunard O. B. Mahl

CICha Industries: 5 patents #1 of 1Top 100%
San Francisco, CA: #8,108 of 26,999 inventorsTop 35%
California: #106,790 of 386,348 inventorsTop 30%
Overall (All Time): #1,066,915 of 4,157,543Top 30%
5 Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4296153 Vacuum chamber door assembly and method 1981-10-20
4214853 Evacuation apparatus with cryogenic pump and trap assembly 1980-07-29
4205623 Vacuum deposition apparatus 1980-06-03
D255122 Vacuum deposition apparatus 1980-05-27
D254974 Vacuum deposition apparatus 1980-05-13