Patents Assigned to Mid-Continent Pipeline Equipment Co., a division of Harrisburg, Inc.
  • Force maintaining toggles systems
    Patent number: 4002050
    Abstract: Force maintaining toggle systems wherein maximum or near maximum force is maintained by a series of step wise toggle engagements. The forces may be applied between spaced objects arranged oppositely or circularly.
    Type: Grant
    Filed: June 11, 1975
    Date of Patent: January 11, 1977
    Assignee: Mid-Continent Pipeline Equipment Co., a division of Harrisburg, Inc.
    Inventor: Edward Albert Clavin