EXHIBIT 3 JOINT FILING AGREEMENT The undersigned, Marshall Financial Group, Inc. and Dennis M. Mathisen, hereby agree that this Schedule 13D relating to securities of IPI, Inc. shall be filed on behalf of each of them. Dated: November 12, 1997...
Joint Filing Agreement • November 12th, 1997 • Mathisen Dennis M • Patent owners & lessors
Contract Type
Filed
November 12th, 1997
Company
Industry
The undersigned, Marshall Financial Group, Inc. and Dennis M. Mathisen, hereby agree that this Schedule 13D relating to securities of IPI, Inc. shall be filed on behalf of each of them.

See All (4)

OPTION, SECURITY AGREEMENT AND BUY-SELL AGREEMENT
Exhibit 2 • November 12th, 1997 • Mathisen Dennis M • Patent owners & lessors • Minnesota
Contract Type
Filed
November 12th, 1997
Company
Industry
Jurisdiction

EXHIBIT 1 EXECUTION DRAFT OPTION AND SECURITY AGREEMENT
Mathisen Dennis M • November 12th, 1997 • Patent owners & lessors • Minnesota
Company
Filed
November 12th, 1997
Industry
Jurisdiction

Mathisen Dennis M Sample Contracts

Filter & Search