Harry N. Dieffenbach

DY Dysan: 1 patents #6 of 18Top 35%

📍 Fremont, CA: #4,197 of 9,298 inventorsTop 50%

🗺 California: #149,087 of 386,348 inventorsTop 40%

Overall (All Time): #1,667,224 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4911301	Laminated case for magnetic disk and method of manufacturing same	—	1990-03-27
4686666	Flexible micro disk	—	1987-08-11
4652961	Micro-floppy diskette with inner containment system	—	1987-03-24