Ivan B. Chapman, Jr.

WC Western Electric Company: 2 patents #4 of 195Top 3%

📍 Baltimore, MD: #4 of 93 inventorsTop 5%

🗺 Maryland: #47 of 841 inventorsTop 6%

Overall (1982): #12,634 of 81,411Top 20%

Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4352479	Adjustable support	—	1982-10-05
4330093	Thumb-controlled hand-held tool	—	1982-05-18