Donald J. Zigman

📍 Hales Corners, WI: #18 of 67 inventorsTop 30%

🗺 Wisconsin: #13,258 of 40,088 inventorsTop 35%

Overall (All Time): #1,674,799 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4669615	Footwear hanger	—	1987-06-02
4640199	Mobile terminal mounting stand	—	1987-02-03
4576290	Grip hanger	—	1986-03-18