Inventor

Robert L. Stephen

Inventor

Salt Lake City, UT, US

Overview

29→

Patents

1978–1998

Patent span

Human necessities

Primary field (CPC A)

Patents· 29 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A61Nprimary

A61NElectrotherapy49%

A61MDevices for introducing media into, or onto, the body26%

A61KPreparations for medical, dental or toiletry purposes10%

A61BDiagnosis8%

C07DHeterocyclic compounds3%

F04BPositive-displacement machines for liquids3%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

PatentTitleYear

5,843,016'Electromotive drug administration for treatment of acute urinary outflow obstruction'1998 5,779,661'Method of treating dysfunctional bladder syndromes by electromotive drug administration'1998 5,607,940'Morphine formulations for use by electromotive administration'1997 5,486,160'Device and method for the combined electropharmacological treatment of the bladder and the prostatic urethra'1996 5,401,239'Electromotive treatment of catheter-rerelated infections'1995 5,301,688'Method for localization and therapy of occult bladder cancer'1994 5,248,295'Bioelectrode seal'1993 5,232,441'Method of treating schistosomal infestations by iontophoresis'1993 5,222,936'Intracorporeal iontophoretic method'1993 5,141,493'Peritoneal dialysis system'1992 5,087,242'Hydratable bioelectrode'1992 5,037,380'Iontophoretic electrode with solution containment system'1991 4,979,938'Method of iontophoretically treating acne, furuncles and like skin disorders'1990 4,968,297'Iontophoretic electrode with solution containment system'1990 4,915,685'Methods and apparatus for iontophoresis application of medicaments at a controlled ph through ion exchange'1990 4,886,489'Flow-through methods and apparatus for iontophoresis application of medicaments at a controlled pH'1989 4,752,285'Methods and apparatus for iontophoresis application of medicaments'1988 4,559,033'Apparatus and methods for minimizing peritoneal injection catheter obstruction'1985 4,557,724'Apparatus and methods for minimizing cellular adhesion on peritoneal injection catheters'1985 4,405,305'Subcutaneous peritoneal injection catheter'1983 4,400,169'Subcutaneous peritoneal injection catheter'1983 4,335,716'Composition and method for prevention and treatment of dialysis induced peritonitis'1982 4,250,878'Non-invasive chemical species delivery apparatus and method'1981 4,235,230'Iodine composition and method for prevention and treatment of dialysis induced peritonitis'1980 4,190,047'Method and apparatus for peritoneal dialysis'1980 4,180,068'Bi-directional flow catheter with retractable trocar/valve structure'1979 4,166,457'Fluid self-sealing bioelectrode'1979 4,141,359'Epidermal iontophoresis device'1979 4,081,372'Leakage indicator for recirculating peritoneal dialysis system'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1998Based in Salt Lake City, UT, US· patent location history

1979–1980Patents assigned to UTAH UNIVERSITY (3)· patent assignee history

1982–1988Patents assigned to UNIV UTAH RES FOUND (6)· patent assignee history

1989–1993Patents assigned to STEPHEN ROBERT L (3)· patent assignee history

1990–1993Patents assigned to IOMED INC (4)· patent assignee history

1993–1998Patents assigned to PHYSION SRL (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PHYSION SRL	6	1993–1998
UNIV UTAH RES FOUND	6	1982–1988
IOMED INC	4	1990–1993
STEPHEN ROBERT Lself	3	1989–1993
UTAH UNIVERSITY	3	1979–1980

Locations

Location	Patents	Span
Salt Lake City, UT, US	29	1978–1998