Wolfgang Speigelstein

IS Irwin Magnetic Systems: 1 patents #7 of 18Top 40%

📍 Glendale, CA: #619 of 1,191 inventorsTop 55%

🗺 California: #247,236 of 386,348 inventorsTop 65%

Overall (All Time): #3,904,145 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
RE33224	Drive for end loading and transversely shifting tape cartridge	—	1990-05-29