KEYSTONE INSTAL BOLTS & SHELLS
Filed: February 24, 1983
ROOF BOLTS AND EXPANSION SHELLS, FOR USE IN ROOF BOLTING
Owned by: Jennmar Corporation
Serial Number: 73414755
KEYSTONE INSTAL MIX RESIN CARTRIDGE
Filed: February 24, 1983
RESIN CARTRIDGES FOR USE IN ROOF BOLTING
Owned by: Jennmar Corporation
Serial Number: 73414756
INSTAL
Filed: July 11, 1983
ROOF BOLTS, NAMELY BOLTS, EXPANSION SHELLS, RESINS AND BOLTING SYSTEMS
Owned by: Jennmar Corporation
Serial Number: 73434118
BOLT IT BETTER WITH JENNMAR
Filed: October 3, 1983
Rockbolts-Namely, Bolts for Securing the Roof, Ribs and Walls of Mines and Other Excavated Sites
Owned by: Jennmar Corporation
Serial Number: 73446291
B. Y. TRUSS
Filed: August 4, 1986
MINE ROOF SUPPORT TRUSSES PRIMARILY OF METAL
Owned by: Jennmar Corporation
Serial Number: 73612817
JM CABLE
Filed: July 17, 1995
metal mine roof bolts
Owned by: Jennmar Corporation
Serial Number: 74702099
K-NUT
Filed: October 15, 1997
metal mine roof bolts
Owned by: Jennmar Corporation
Serial Number: 75373112
CABLEOX
CABLE BOLTS
Owned by: Jennmar Corporation
Serial Number: 75809966
SUPER JOHN
Metal tubular supports for use in mine roof control
Owned by: Jennmar Corporation
Serial Number: 76383152
LITTLE JOHN
Metal tubular supports for use in mine roof control
Owned by: Jennmar Corporation
Serial Number: 76383455
JM STEEL SPECIALTY PRODUCTS USA
Metal storm panels for storm protection
Owned by: Jennmar Corporation
Serial Number: 77009644
CRATER PLATE
A metal roof plate for use with a mine roof bolting system in mining and underground construction
Owned by: Jennmar Corporation
Serial Number: 77186855
CRATER BIT
Mine roof bolting system, primarily of metal, consisting of a roof bolt including a self drilling bit for use in mining…
Owned by: Jennmar Corporation
Serial Number: 77186957
PYTHON
Metal mine roof bolts
Owned by: Jennmar Corporation
Serial Number: 77903305
BUDDY BAR
Mine roof bolts
Owned by: Jennmar Corporation
Serial Number: 78415950
JM
Metal mine roof bolts
Owned by: Jennmar Corporation
Serial Number: 78452075
JM USA
Mine roof bolts
Owned by: Jennmar Corporation
Serial Number: 78452796
BUDDY NUT
Nuts for mine roof bolts, primarily of metal
Owned by: Jennmar Corporation
Serial Number: 78644478
K-SINK
mine roof bolting system consisting of a metal roof bolt including a self drilling metal bit and a metal roof plate for…
Owned by: Jennmar Corporation
Serial Number: 78735144
INSTÁL-PLUS
Mine roof bolts primarily of metal
Owned by: Jennmar Corporation
Serial Number: 78761565
