IP Library › Granted Patent US 644,948
Granted Patent S1
US 644,948 · App. 29/364,538 · Granted Sep 13, 2011

Borehole condition monitors

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Quick Facts
Patent No.
US 644,948
App. No.
29/364,538
Granted
Sep 13, 2011
Kind
S1
Claims (1)

The ornamental design for borehole condition monitors, as shown and described.

Assignments (3)
RIDER TO SECURITY AGREEMENT - PATENTS Recorded Jan 6, 2021
From: D6 INC.
To: PNC BANK, NATIONAL ASSOCIATION
Reel/Frame 054912/0959 →
CHANGE OF NAME Recorded Oct 5, 2011
From: AFRICAN EXPLOSIVES LIMITED
To: AEL MINING SERVICES LIMITED
Reel/Frame 027021/0251 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 24, 2010
From: DREYER, PIETER ETIENNE; HOLDCROFT, ROBERT JAMES; MARILLIER, NEVILLE ROBERT; WILSON, LAURENCE JUSTIN PIENAAR
To: AFRICAN EXPLOSIVES LIMITED
Reel/Frame 024591/0518 →