Patents recorded as loan collateral (security interest)

Conveyance: SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). | Assignor: AMERICAN OPTICAL CORPORATION | Assignee: IRVING TRUST COMPANY | Patents: 4049868, 4120992, 4015527, 4002418, 4034955, 4049567, 3969023, 4046596, D242283, 3996701, 3994596, 4342668, 4139694, 4026640, 4022628, 4064308, 4127682, 3997249, D244603, D244447, D243395, D243762, D242789, D242788, 4038014, D243084, D243397, 4073579, 4208800, 4036624, 4101302, D243687, D243523, D243396, D242854, 4076395, 4080051, 4154590, 4155734, 4042405, D244528, 4440672, D246656, D246654, D246720, 4170567, 4085919, 4127697, D252813, D252882, D246721, D246903, D247910, D248861, D252517, 4168113, 4085553, 4178081, D253656, 4098028, D253442, D251279, D251344, D253446, 4076542, 4121346, 4171926, 4238524, 4236793, 4148160, D253477, D253479, D253480, D253478, D253657, 4149868, 4227910, D251162, D257881, D251047, D251280, 4160330, 4173490, 4229228, D257436, D257435, D253481, D253954, 4181409, D255802, D257855, D257854, D257985, 4216588, 4186026, D258448, 4227673, 4271636, 4417790, 4264249, D263058, 4269487, 4279401, 4273809, 4277916, 4277891, 4291508, 4300317, 4288710, 4299032, 4289497, 4514061, 4435079, 4341995, 4414872, 4478873, 4632527, 4540535, 3377118, 3484157, 3629130, 3761437, 4215010, 3811857, 4699473, 4720356, 3327318, 3408658, 3471642, 3440663, 3436352, 3489507, 3461463, 3505684, 3562816, 3662523, 3719954, 3579640, 3541611, 3644939, 3691564, 3868726, 3731320, 3833939, 3813734, 4067069, D245781, D248497, D249072, 4146887, 4067065, 4154586, 4179181, 4223974, 4334901, 4294599, 4383956, D268683, D287649, 4530706, 4422861, 4425669, 4592350, D270957, 4600002, 4699479, 4704015, 4711539, D278087, 4367170, 3997250, 3916574, 3277612, 3229944, 3321253, 3192676, 3271912, 3190260, 4052520, 4166043, 4012232, 4012131, 3960442, 3991234, 3899315, 3951203, 4046586, 3791193, 4011071, 3746450, 3915723, 3975093, 4135792, 4049846, 4110244, 3975092, 3922821, 3899314, 4036623, 4056311, 4062629, 4055379, 4043637, 4090790, D232380, 3881683, 3921344, 3821333, 3807867, 3801336, 3874777, 3826751, 3880525, 3896657, 3902693, 3815294, 4090830, D237902, D228310, 3724260, 3765861, 3770357, 3276572, 3406232, 3225497, 3488808, 3254688, 3390933, 3864566, 3187469, 3434781, 3257686, 3903412, 3866037, 3304145, 3193509, 3408134, 3354938, 3233956, 3228070, D230080, 3765861, 3970362, 3674530, 3664789, 3850902, 3236371, 3339318, 3396214, 3492075, 3377475, 3423251, 3436144, 3519357, 3405482, D223983, 3698937, 3768992, 3971872, 3694179, 3624969, D221592, 3700487, 3663983, 3664725, D220885, 3674587, 3669435, 3618271, 3758201, D218953, D216756, 3678141, 3624969, 3901718, 3617116, 3632696, D216475, D216478, 3660299, 3498005, 3494326, 3645909, 3460928, 3572910, 3628215, 3362448, 3396425, 3492764, 3405836, 3481758, 3336902, 4108827, 4055900