Patents recorded as loan collateral (security interest)

Conveyance: SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). | Assignor: BC FOREST PRODUCTS SYSTEMS, INC. | Assignee: WALTER E. HELLER & COMPANY, INC. | Patents: 3931498, 4147620, 4122006, 3901114, 3718169, 4356850, 4352431, 4126280, 3890509, 4352431, 4126280, 4147620, 4102232, 3718169, 3901114, 3680215, 3667517, 3756407, 3931498, 3890509, 3603446, 3421561, 3478789, 3552252, 3760667, 3794387, 3661283, 4147620, 4122006, 4102232, 3841360, 3718169, 3718169, 3661283, 3680215, 3698818, 3667517, 3931498, 3647151, 3890509, 3504718, 3547170, 3504717, 3545509, 3407854, 3478789, 3760667, 3318725, 4126280, 4352431, 4356850, 3478789, 3552252, 3603446, 3547170, 3504717, 3421561, 3314455, 3760667, 3318725, 3647151, 3931498, 3841360, 3901114, 4102232, 3841360, 4356850, 4126280, 3756407, 3698818, 3680215, 3794387, 3890509, 4122006, 4147620, 4352431, 4356850, 3794387, 4102232, 3504717, 3504718, 3545509, 3760667, 3841360, 3718169, 3698818, 3647151, 3547170, 3407854, 3318725, 3901114, 3794387, 3756407, 3603446, 3421561, 3552252, 3407854, 3504718, 3545509, 3361168, 3661283, 3667517, 3718169