Patents by Inventor Harold E. Skinner

Harold E. Skinner has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

Aid for the addition of columnar arranged driving hours

Patent number: D265177

Type: Grant

Filed: July 11, 1980

Date of Patent: June 29, 1982

Inventor: Harold E. Skinner

Aid for the addition of columnar arranged driving hours