Stephen A. Gummow

📍 Minneapolis, MN: #1,335 of 6,114 inventorsTop 25%

🗺 Minnesota: #13,602 of 52,454 inventorsTop 30%

Overall (All Time): #1,005,682 of 4,157,543Top 25%

Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
9156144	Hand tool with stepless locking mechanism	—	2015-10-13
7975573	Hand tool with stepless locking mechanism	—	2011-07-12
6247386	Dual action indexable wrench	—	2001-06-19
4924737	Positive drive ratchet	—	1990-05-15
4406186	Dual action ratchet wrench	—	1983-09-27