John S. Borchard

📍 Weston, MA: #1 of 29 inventorsTop 4%

🗺 Massachusetts: #14 of 2,831 inventorsTop 1%

Overall (1989): #2,740 of 140,708Top 2%

Patents 1989

Issued Patents 1989

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
4874051	Leaf spring	—	1989-10-17
4869331	Leaf Spring	—	1989-09-26
4862978	Combination dust cover and air screen	—	1989-09-05
4862979	Combination dust cover and air screen	—	1989-09-05
4828057	Leaf spring	—	1989-05-09