The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 14, 1993
Filed:
Dec. 05, 1991
Applicant:
Inventors:
Wayne F Larson, Salem, OR (US);
Walter G Henderson, Salem, OR (US);
Assignee:
Supra Products, Inc., Salem, OR (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04M / ;
U.S. Cl.
CPC ...
379 98 ; 70 63 ; 70271 ; 2353825 ; 34082531 ;
Abstract
A comprehensive real estate lockbox system is disclosed which provides a variety of operational features. One of these includes a reader key that can retrieve access data from a system lockbox. The reader key is provided with an audible tone generator which can be selectively enabled by the user. The tone generator can be used to download data from the reader key over telephone lines.