Don Leslie's Patents

Here are scans of (at least some of) Don Leslie's patents. This collection was compiled by John Fine.

[ICO]NameLast modifiedSizeDescription
[DIR]Parent Directory  -
[ ]2489653_tremulant_sound_reproducer.pdf26-Oct-2004 19:22 1.8M
[ ]2596258_electric_organ_speaker_sys.pdf26-Oct-2004 19:22 505K
[ ]2622692_apparatus_for_imposing_vibrato.pdf26-Oct-2004 19:22 631K
[ ]2622693_imposing_vibrato_on_sound.pdf26-Oct-2004 19:22 472K
[ ]2727583_acoustic_apparatus.pdf26-Oct-2004 19:22 759K
[ ]2742537_step_by_step_electrical_cntr.pdf26-Oct-2004 19:22 828K
[ ]2869667_rotatable_tremulant_sound_prod.pdf26-Oct-2004 19:22 604K
[ ]2869669_acoustic_apparatus.pdf26-Oct-2004 19:22 750K
[ ]2887000_multiple_channel_spkr_sys.pdf26-Oct-2004 19:22 551K
[ ]2921494_electrostatic_tone_gen_sys.pdf26-Oct-2004 19:22 751K
[ ]2949803_crosswired_organ_sys.pdf26-Oct-2004 19:22 511K
[ ]2994240_vibrato_oscillator_for_organs.pdf26-Oct-2004 19:22 396K
[ ]2995054_rotary_tremolo_sys_for_mixing.pdf26-Oct-2004 19:22 668K
[ ]3005162_derivative_voltage_reg_circuit.pdf26-Oct-2004 19:22 365K
[ ]3014192_mercury_slip_ring_assem.pdf26-Oct-2004 19:22 638K
[ ]3041910_arrangement_for_complex_wave_gen.pdf26-Oct-2004 19:22 336K
[ ]3049040_minimizing_beat_effects.pdf26-Oct-2004 19:22 653K
[ ]3058541_rotary_electrostatic_spkr.pdf26-Oct-2004 19:22 540K
[ ]3080786_spkr_sys_for_adding_tremolo.pdf26-Oct-2004 19:22 708K
[ ]3095477_sys_for_recording_electronic_organ.pdf26-Oct-2004 19:22 1.0M
[ ]3100024_multiple_snd_chan_trem_device.pdf26-Oct-2004 19:22 691K
[ ]3146291_pitch_broadening_apparatus.pdf26-Oct-2004 19:22 482K
[ ]3159706_producing_phase_shift_in_organs.pdf26-Oct-2004 19:22 685K
[ ]3174579_apparatus_for_producing_trem.pdf26-Oct-2004 19:23 537K
[ ]3192322_selective_app_for_trem_and_vib.pdf26-Oct-2004 19:23 512K
[ ]3220356_model_train_control_system.pdf26-Oct-2004 19:23 1.5M
[ ]3235649_apparatus_for_minimizing_beat_effects.pdf26-Oct-2004 19:23 763K
[ ]3245284_rotor_drive_for_pulsato.pdf26-Oct-2004 19:23 1.0M
[ ]3251924_derivative_celeste_or_chorus.pdf26-Oct-2004 19:23 1.1M
[ ]3266592_vari_speed_pulsato_rotor.pdf26-Oct-2004 19:23 1.0M
[ ]3315613_remote_for_model_train_sys.pdf26-Oct-2004 19:23 889K
[ ]3361082_model_train_control_sys.pdf26-Oct-2004 19:23 1.0M
[ ]3372225_musical_inst_for_celeste_chorus.pdf26-Oct-2004 19:23 2.1M
[ ]3420941_multivoice_electronic_organ.pdf26-Oct-2004 19:23 1.0M
[ ]3432608_harmonic_sys_for_flute_organs.pdf26-Oct-2004 19:23 866K
[ ]3458642_organ_w_proportional_freq.pdf26-Oct-2004 19:23 771K
[ ]3499114_speaker_sys_for_pulsato.pdf26-Oct-2004 19:23 832K
[ ]3511918_organ_w_band_elimination.pdf26-Oct-2004 19:23 556K
[ ]3591701_hamonically_related_pulsato_sys.pdf26-Oct-2004 19:23 581K
[ ]4017685_planetary_acoustic_phase_shift.pdf26-Oct-2004 19:23 859K
[ ]4084474_hi_freq_comp_device_for_spkr_sys.pdf26-Oct-2004 19:23 346K
[ ]4198880_rotor_drive_for_pulsato_app.pdf26-Oct-2004 19:23 932K
[ ]4253368_universal_pulsato_unit.pdf26-Oct-2004 19:23 1.1M

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