Tetrode deceleration lens
Latest VARIAN SEMICONDUCTOR EQUIPMENT ASSOCIATES, INC. Patents:
Description
The broken lines illustrate the environmental structure and form no part of the claimed design.
Claims
The ornamental design for a tetrode deceleraton lens, as shown and described.
Referenced Cited
Patent History
Patent number: D832994
Type: Grant
Filed: Apr 21, 2016
Date of Patent: Nov 6, 2018
Assignee: VARIAN SEMICONDUCTOR EQUIPMENT ASSOCIATES, INC. (Gloucester, MA)
Inventor: W. Davis Lee (Newburyport, MA)
Primary Examiner: Marcus Jackson
Application Number: 29/561,959
Type: Grant
Filed: Apr 21, 2016
Date of Patent: Nov 6, 2018
Assignee: VARIAN SEMICONDUCTOR EQUIPMENT ASSOCIATES, INC. (Gloucester, MA)
Inventor: W. Davis Lee (Newburyport, MA)
Primary Examiner: Marcus Jackson
Application Number: 29/561,959
Classifications
Current U.S. Class:
Equipment For Diagnosis, Analysis, Or Treatment (D24/107)