// #US 8,220,171
OPTIVISION® Vials - Patent Registration
// #US D9,618,339
Swivel Plumb Site®- Patent Registration
// #US D9,846,033
Adjustable Stand for Laser Levels - Patent Registration
// #US D625,630
724 Cast Torpedo Level - Design Patent
// #US D625,631
905 Condor™ - Design Patent
// #US D668,163
930 Smartcast™ - Design Patent
// #US D704,577
935 Torpedo with OPTIVISION® - Design Patent
// #US D730,208
846 Cyclops™ - Design Patent
// #US D750,514
377 Laser Distance Measurer with Flip Cover - Design Patent
// #US D730,207
995 Spirit Level - Design Patent
// #US D750,984
770 Exodus™ - Design Patent
// #US D805,928
773 Drywall Level - Design Patent
// #US 449
449 PROTRACTOR SQUARE