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:
Nov. 20, 1990
Filed:
Feb. 27, 1990
Applicant:
Inventor:
Philip L Reid, Duncan, SC (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
73 644 ;
Abstract
An apparatus for measuring the surface of a substrate has a normally horizontal surface for mounting a solid thereon, a device for rotating the surface and a counter synchronized with the rotational device to indicate the amount of rotation and a switch for simultaneously initiating activation of the rotating device and synchronized counter and for simultaneously deactivating both the rotational device and the synchronized counter.