Simon Geldwerth

DC Do-All Jewelry M'F'G. Co.: 3 patents #1 of 1Top 100%

📍 Brooklyn, NY: #5 of 136 inventorsTop 4%

🗺 New York: #235 of 5,342 inventorsTop 5%

Overall (1989): #7,127 of 140,708Top 6%

Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4833761	Reinforced jewelry clasp	—	1989-05-30
D300614	Jewelry clasp	—	1989-04-11
4813108	Streamlined unobtrusive jewelry clasp, members forming same and blank	—	1989-03-21