Lloyd Marks, MD, MBA, FACC
(click on any patent number to see it)
Medical Device Patents
Marks LA. Computer Assisted Admittance Plethysmograph. U.S. Patent Office, Arlington, Virginia. Oct 22, 1985; #4548211
Marks LA. Method of and Apparatus for Detecting Cardiac Rhythm Disturbance. U.S. Patent Office, Arlington, Virginia. Nov 15, 1988; #4784153
Marks LA. Multi-function Fluid Communication Control System. U.S. Patent Office, Arlington, Virginia. Apr 11, 1989 #4819653
Marks LA. Aperture Occlusion Device. U.S. Patent Office, Arlington, Virginia. Apr 28, 1992; #5108420
Marks LA. Multilumen Angiography Catheter. U.S. Patent Office, Arlington, Virginia. Jun 16, 1992; #5122115
Marks LA. Precision Radiology Scaling Device. U.S. Patent Office, Arlington, Virginia. Sep 22, 1992; #5149965
Marks, LA. Fluid Communication Manifold and Control System. U.S. Patent Office, Arlington, Virginia. Dec 8, 1992; #5168901
Marks LA. Stereoscopic Fluoroscopy Device. U.S. Patent Office, Arlington, Virginia. Aug 3, 1993; #5233639
Marks LA. Calibrated Adjustable Width Blood Pressure Cuff. U.S. Patent Office, Arlington, Virginia. Sep 14, 1993; #5243991
Marks LA. Safety Needle and Method of Using Same. U.S. Patent Office, Arlington, Virginia. Oct, 26, 1993; #5256152
Marks LA. Multiple Blood Pressure Cuff System. U.S. Patent Office, Arlington, Virginia. May 6, 1997; #5626142
Marks LA. Adjustable Blood Pressure Cuff and Method of Using Same. U.S. Patent Office, Arlington, Virginia. May 5, 1998; #5746213
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. Safety needle and method of using same. October 25, 2011; U.S. Patent #8,043,268
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. Safety Needle and Method of Making Same. December 21, 2013. US Patent # 8,617,118
Marks LA. Impedance Plethysmogram with Concurrent Processing, March 19, 2019, # 10,231,635
Non - Medical Device Patents
Marks, LA. Foldable Frame Apparatus. September 23, 1977. US Patent # 4,140,141
Marks, LA. Pivotable Joint and Joint Locking Mechanism for a Foldable Frame. December 3, 1991. US Patent # 5,069,238
Marks, LA. Footwear Fastening System and Method of Using Same. September 24, 1996. US Patent # 5,557,864
Marks LA, Weber DW. Method of and Apparatus for Buoyancy Compensation for Divers. April 10, 2012. US Patent # 8,152,413