IP Library › Assignment 006420/0346
Patent Assignment
Reel/Frame 006420/0346

Assignment of Assignors Interest.

Recorded: 1993-02-16 Pages: 2
Assignors
BOSSART, CLAYTON J.
Executed: 1993-02-12
ETHERIDGE, CHARLES H. JR.
Executed: 1993-02-12
GESTLER, CRAIG D.
Executed: 1993-02-12
Assignee
MINE SAFETY APPLIANCES CO.
121 GAMMA DRIVE, PITTSBURGH, PENNSYLVANIA, 15238
Covered Property (1)
Flow-Controlled Sampling Pump Apparatus
Patent: 5,295,790 →
Application: 07/994,532 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 6, 2010
From: MINE SAFETY APPLIANCES COMPANY
To: ZEFON INTERNATIONAL, INC.
Reel/Frame 025457/0915 →
Assignment of Assignor's Interest May 28, 2021
From: ZEFON INTERNATIONAL, INC.
To: COLE-PARMER INSTRUMENT COMPANY LLC
Reel/Frame 056384/0847 →