Patents
- Marks LA. Computer Assisted Admittance Plethysmograph. U.S. Patent Office, Arlington, Virginia. Oct 22, 1985; #4548211
- Marks LA, Smith M. Signal Averaging Using Gating Signal Obtained from Autocorrelation of Input Signals. U.S. Patent Office, Arlington, Virginia. Dec 12, 2006; #7147601
- Marks LA, Smith M. Signal Methods of Diagnosis Using Pulse Volume Measurement. U.S. Patent Office, Arlington, Virginia. Feb 3, 2009; #7485094
- Marks LA, Smith M. Method and Device for Measuring Peripheral Vascular Function. Mar 3, 2009; US Patent #7497832
- Marks LA, Smith M. Impedance Based Device for Non-Invasive Measurement of Blood Pressure and Ankle Brachial Index. Feb 15, 2011; US Patent #7887491
- Smith M, Marks LA. Peripheral Impedance Plethysmography Electrode and System with Detection of Electrode Spacing. May 17, 2011; US Patent #7945318
- Marks LA, Smith M. Stretchable Electrode and Method of Making Physiologic Measurements" US Pat #8019401
- Marks LA, Smith M. Device for Non-Invasive Measurement of Blood Pressure and Ankle Brachial Index. April 2, 2013;US Patent #8,409,105
- Marks LA. Impedance Plethysmogram with Concurrent Processing, March 19, 2019, # 10,231,635