James L. Welch

MC Master Lock Company: 5 patents #1 of 25Top 4%

📍 Norco, CA: #1 of 8 inventorsTop 15%

🗺 California: #757 of 26,868 inventorsTop 3%

Overall (2005): #7,134 of 245,428Top 3%

Patents 2005

Issued Patents 2005

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
6978647	Pick-resistant wafer tumbler lock with sidebars	Billy Edwards	2005-12-27
D507473	Lock	—	2005-07-19
D507474	Lock	—	2005-07-19
D506667	Lock	—	2005-06-28
D506122	Lock	—	2005-06-14