Pipe plug latch unit

Details Pipe plug latch unit Pipe plug latch unit

1990-06-14

1992-09-22

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Fluid handling or treatment equipment

Valve or body therefor

Patent

active

D03296865

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Morrison Bros Co, Dubuque IA, Monitoring Wall Specification Guide, Apr. 1989, pp. 1-3 and 6.
Chama Corp., IN, Monitor Wells product brochure, pp. 1-3, dated Jan. 1, 1989.
Crane Enterprises, Helena, MT, Locking Well Caps product brochure, 1986, pp. 1 and 2.
EBW, Inc., Muskegon, MI, Well Cap Plugs Advertisement, Feb. 1990/WWJ, p. 1.

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