partial list of patents:

US20160227935 - Apparatus with weight responsive changeable adjusting characteristics
US8516966 - Pivoting multi-leaf modular table
US20090249668 - Two-way adjustable sign system
US7845101 - Self-returning horizontal sign system
US7475855 - Sign mount with unpinned hinge
US7284740 - Rotating sign mount with automatic return
US7207542 - Mounting system with wedge
US7207536 - Bias-assisted sign with floating mount system
US7137606 - Adjustable channel-mount sign mounting system
US7124993 - Rotating sign mount with automatic return
US6775936 - Movable display sign
US6701575 - Hinge mounting assembly for a storage rack
US6691963 - Pivoted cam-locking sign mount
US6581312 - Adjustable sign mount with graphic
US6378818 - Multi-position sign-mounting system
US6363643 - Adjustable sign mount with graphic
US6230906 - Product display rack
US6485120 - Drawer glide for drawer slide assembly
US6282931 - Electrically operated actuator and method
US6202266 - Clamp for mounting storage accessories
USD434229 - Storage box
US6089058 - Method for retrofitting a deadbolt assembly with an electrically operated actuator
USD426459 - Clamp
US5979199 - Electrically operated actuator
US5896769 - Electrically operated actuator