logo

For the Inventor, By the Inventor

Cockeysville, MD, United States of America

Solid State Chargers, Inc.


USPTO Granted Patents = 2

Forward Citations = 60

Loading Chart...
Loading Chart...

2 inventors (with patents filed for the assignee):

goldMedal Douglas R Frey (2 out of 16 patents)

silverMedal Philip K Hoffman (2 out of 3 patents)


2 patents:

1. 5270635 - Universal battery charger (1993-12-14),
2. 5113127 - Universal battery charger (1992-05-12),
logo

Company Badge

USPTO Data Jan 1 1976 - Sep 22 2026

2 Patents

#11 in Cockeysville, MD

#1,419 in Maryland

#94,647 in US

Cockeysville, MD (US)
Cockeysville, MD, United States of America

Solid State Chargers, Inc.

Forward Citations = 60

2 inventors:

goldMedal Douglas R Frey (2 out of 16 patents)

silverMedal Philip K Hoffman (2 out of 3 patents)

Please report any incorrect information to [email protected]
Loading…