Walter J. Zimmerman

RI Roberts Consolidated Industries: 1 patents #1 of 7Top 15%

TC The Gillette Company: 1 patents #936 of 1,479Top 65%

📍 Atherton, CA: #252 of 431 inventorsTop 60%

🗺 California: #185,134 of 386,348 inventorsTop 50%

Overall (All Time): #2,223,334 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
D437764	Carpet knife	—	2001-02-20
5029358	Interproximal brush	—	1991-07-09