Patent Assignment
Reel/Frame 004170/0906
Assignment of Assignors Interest.
Recorded: 1983-09-16
Pages: 1
Assignors
COPELAND, WILLIAM M.
Executed: 1981-05-18
BLOMGREN, ROLAND A.
Executed: 1981-05-18
SHALLENBERG, ROBERT L.
Executed: 1981-05-18
Assignee
Covered Property
(1)
Sanitizer Attachment for a Mobile Floor Cleaner
Patent:
4,429,432 →
Application:
06/266,798 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Feb 2, 1987
From: SERVICEMASTER INDUSTRIES INC., A CORP. OF DE.
To: SERVICEMASTER INVESTMENT COMPANY, CORPORATE TRUST CENTER, A DE. CORP.
Reel/Frame 004666/0908 →
Assignment of Assignors Interest.
Feb 9, 1987
From: SERVICEMASTER INVESTMENT COMPANY, A DE. CORP.
To: SERVICEMASTER COMPANY L.P., THE, A DE. LIMITED PARTNERSHIP
Reel/Frame 004667/0004 →
Merger
Feb 6, 2014
From: THE SERVICEMASTER COMPANY LIMITED PARTNERSHIP
To: THE SERVICEMASTER COMPANY
Reel/Frame 032161/0529 →
Merger
Feb 6, 2014
From: THE SERVICEMASTER COMPANY
To: THE SERVICEMASTER COMPANY, LLC
Reel/Frame 032161/0703 →