No, you may not take those items, unless and only to the extent there is a written agreement making those items security or collateral for a loan or for other obligagtions. Without such a written security agreement, you have no right to seize those items.If you are not being paid the amounts due to you under an agreement (e.g. under a loan agreement), you can sue to enforce the agreement. If you win your lawsuit and are not paid, you can at that point attempt to have court officers seize property of the bbuiness to pay you. However, if there is no specific schedule of payments, loan agreement, or other agreement calling for specific payments, but rather it's just that you were supposed to share in any profits (e.g. a percentage of revenue), but the revenue is lower than anticipated, you would have no recourse--whenever anyone invests in a business in exchange for a share of revenue or profit participation, they take the risk that the business will not pay off.