Charles W. Neefe

SU Sunsoft: 4 patents #1 of 1Top 100%

📍 Ossenvenne, TX: #2 of 13 inventorsTop 20%

🗺 Texas: #94 of 4,134 inventorsTop 3%

Overall (1989): #5,554 of 140,708Top 4%

Patents 1989

Issued Patents 1989

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
4867552	Eye color change contact lens	—	1989-09-19
4865439	Production of cosmetic lenses	—	1989-09-12
4865440	Simplified method of producing cosmetic contact lenses	—	1989-09-12
4840477	Dyed color change contact lens	—	1989-06-20