Patents recorded as loan collateral (security interest)

Conveyance: SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). | Assignor: ALLEGHENY LUDLUM CORPORATION | Assignee: PITTSBURGH NATIONAL BANK | Patents: 4533409, 4533391, 4576300, 4568387, 4548655, 4608100, 4582547, 4581073, 4615730, 4456483, 4456482, 4450208, 4475583, 3969162, 4461811, 4482401, 4482397, 4477279, 4488590, 4485839, 4484996, 4450206, 4450058, 4417921, 4415527, 4415415, 4414023, 3854938, 3854932, 3854891, 3850703, 3847599, 3843422, 3841385, 3834685, RE28149, 3833208, 3832160, 3830634, 3820980, 3816104, 3816100, 3804678, 3804615, 3798074, 3798025, 3795971, 3791813, 3788836, 3788112, 3785857, 3888659, 3880654, 3880649, 3876819, 3873380, 3867134, 3866301, 3862484, 3855021, 3855020, 3855019, 3855018, 3930786, 3929522, 3929470, 3925115, 3907551, 3899733, 3938990, 3936323, 3936297, 3948615, 3944396, 3943010, 3780581, 3778235, 3778221, 3770517, 3769687, 4000373, 4000015, 3999955, 4010042, 4007038, 4006012, 3997373, 3985587, 3985586, 3980444, 3976517, 4010050, 3964989, 3956809, 3954521, 3953201, 3953194, 3948685, 4059218, 4055062, 4054471, 4054470, 4054448, 4054170, 4049372, 4047941, 4043839, 4043838, 4032366, 4030950, 4069008, 4066521, 4060191, 4079312, 4078952, 4078942, 4093472, 4090551, 4086731, 4102713, 4102677, 4099966, 6277212, 6296948, 4688724, 4661169, 4693762, 4662546, 4657066, 4768409, 4662954, 4666535, 4728083, 4680062, 4715428, 4678719, 4711113, 4717188, 4754148, 4716954, 4728875, 4695318, 4796209, 4781769, 4516736, 4514220, 4503089, 4501316, 4492849, 4489901, 4529443, 4529442, 4529176, 4525620, 4524996, 4518101, 4545826, 4012299, 4014680, 4025749, 4026777, 4028094, 4381660, 4399860, 4402769, 4409296, 4410359, 4411714, 4337101, 4360774, 4363709, 4366971, 4367100, 4375371, 4260418, 4277374, 4277530, 4244757, 4245261, 4260415, 4286986, 4291558, 4297132, 4302658, 4315776, 4330025, 4217150, 4231818, 4238122, 4211042, 4213804, 4217136, 4175921, 4179315, 4200477, 4165868, 4167426, 4171994, 4160681, 4161398, 4161399, 4152179, 4157925, 4160677, 4114251, 4115160, 4115161, 4119109, 4138273, 4147506, 3765248, 3759311, 3756868, 3754895, 3753187, 3753186, 3748122, 3724302, 3719469, 3716763, 3716691, 3716649, 3716354, 3741557, 3740215, 3734385, 3734384, 3729124, 3725041, 3694326, 3693242, 3687187, 3685136, 3681152, 3680343, 3713903, 3707252, 3704118, 3703419, 3700429, 3695944, 3677073, 3672037, 3666439, 3663312, 3662997, 3658603, 3658587, 3658514, 3656535, 3654042, 3650731, 3650729, 3649893, 3649258, 3649246, 3645520, 3643045, 3642564, 3637354, 3636743, 3632034, 3629760, 3629664, 3622769, 3622409, 3619179, 3615904, 3615898, 3615365, 3615354, 3613489, 3610601, 3607455, 3606288, 3598660, 3594155, 3607246, 3607237, 3606289, 3567430, 3566000, 3565994, 3587276, 3587266, 3575829, 3556873, 3556871, 3556745, 3564882, 3562393, 3562029, 3553992, 3546818, 3983990, 3514840, 3505062, 3491437, 3490956, 3507642, 3506557, 3505125, 4462824