Lawrence L. Freck

RL Royal Lock: 5 patents #1 of 3Top 35%

📍 Crystal Lake, IL: #193 of 734 inventorsTop 30%

🗺 Illinois: #17,877 of 84,256 inventorsTop 25%

Overall (All Time): #1,034,980 of 4,157,543Top 25%

Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
D520340	External cam lock	—	2006-05-09
6393883	Tubular keyed cam lock with screw attachment	—	2002-05-28
6209369	Key actuated exterior cam lock	—	2001-04-03
D435781	Lock	—	2001-01-02
D410190	Lock	—	1999-05-25